How much heat do you lose from your head? 6 Minute English

76,348 views ใƒป 2021-02-04

BBC Learning English


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋ฒˆ์—ญ๋œ ์ž๋ง‰์€ ๊ธฐ๊ณ„ ๋ฒˆ์—ญ๋ฉ๋‹ˆ๋‹ค.

00:07
Hello. This is 6 Minute English
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์•ˆ๋…•ํ•˜์„ธ์š”. BBC Learning English์˜ 6๋ถ„ ์˜์–ด
00:10
from BBC Learning English. I'm Rob.
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์ž…๋‹ˆ๋‹ค. ์ €๋Š” ๋กญ์ž…๋‹ˆ๋‹ค.
00:11
And I'm Georgina.
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๊ทธ๋ฆฌ๊ณ  ์ €๋Š” ์กฐ์ง€๋‚˜์ž…๋‹ˆ๋‹ค.
00:13
Brrr! It's freezing cold outside today,
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๋ธŒ๋ฅด๋ฅด! ์˜ค๋Š˜ ๋ฐ–์€ ๋ชน์‹œ ์ถฅ์Šต๋‹ˆ๋‹ค,
00:16
Georgina! Make sure you
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Georgina! ๋”ฐ๋œปํ•˜๊ฒŒ
00:17
wrap up warm.
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๋งˆ๋ฌด๋ฆฌ ํ•˜์‹œ๊ธธ ๋ฐ”๋ž๋‹ˆ๋‹ค.
00:18
I'll put my woolly hat on. When I was
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์–‘ํ„ธ ๋ชจ์ž๋ฅผ ์“ฐ๊ฒ ์Šต๋‹ˆ๋‹ค. ๋‚ด๊ฐ€
00:20
growing up I was told that you lose
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์ž๋ž„ ๋•Œ ๋‚˜๋Š”
00:22
half your body heat from your head.
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๋จธ๋ฆฌ์—์„œ ์ฒด์˜จ์˜ ์ ˆ๋ฐ˜์„ ์žƒ๋Š”๋‹ค๋Š” ๋ง์„ ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.
00:24
Oh, don't believe that, Georgina!
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์˜ค, ๋ฏฟ์ง€๋งˆ, ์กฐ์ง€๋‚˜!
00:26
It's just a popular myth - you know,
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๊ทธ๊ฒƒ์€ ๋‹จ์ง€ ๋Œ€์ค‘์ ์ธ ์‹ ํ™”์ผ ๋ฟ์ž…๋‹ˆ๋‹ค.
00:29
something people think is true
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์‚ฌ๋žŒ๋“ค์ด ์‚ฌ์‹ค์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜๋Š” ๊ฒƒ์ด
00:30
which actually isn't, 'like bulls get
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์‹ค์ œ๋กœ๋Š” ๊ทธ๋ ‡์ง€ ์•Š์Šต๋‹ˆ๋‹ค. 'ํ™ฉ์†Œ๊ฐ€
00:33
angry when they see the colour red',
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๋นจ๊ฐ„์ƒ‰์„ ๋ณด๋ฉด ํ™”๋ฅผ ๋‚ด๋Š” ๊ฒƒ์ฒ˜๋Ÿผ'
00:35
or 'goldfish only have a three-second memory'.
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๋˜๋Š” '๊ธˆ๋ถ•์–ด๋Š” 3์ดˆ์˜ ๊ธฐ์–ต๋งŒ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค'.
00:38
Oh... I thought red really did
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์˜ค... ๋นจ๊ฐ„์ƒ‰์ด ์ •๋ง ํ™ฉ์†Œ๋ฅผ ํ™”๋‚˜๊ฒŒ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ์–ด์š”
00:40
make bulls angry! But you're right,
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! ํ•˜์ง€๋งŒ ๋‹น์‹  ๋ง์ด ๋งž์•„์š”. ์˜ค๋ž˜๋œ ์งˆ๋ฌธ์—
00:42
there is some disagreement over
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๋Œ€ํ•ด ์•ฝ๊ฐ„์˜ ์˜๊ฒฌ ์ฐจ์ด๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค
00:44
the age-old question: should I wear
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.
00:45
a hat when it's cold outside?
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๋ฐ–์ด ์ถ”์šธ ๋•Œ ๋ชจ์ž๋ฅผ ์จ์•ผ ํ• ๊นŒ์š”?
00:48
In this programme, we'll be asking
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์ด ํ”„๋กœ๊ทธ๋žจ์—์„œ ์šฐ๋ฆฌ๋Š” ๋จธ๋ฆฌ
00:49
how much body heat we lose from
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์—์„œ ์–ผ๋งˆ๋‚˜ ๋งŽ์€ ์ฒด์˜จ์ด ์†์‹ค๋˜๋Š”์ง€ ๋ฌป๊ณ 
00:51
our head and discovering that
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00:53
a simple answer isn't so easy to
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๊ฐ„๋‹จํ•œ ๋‹ต์„ ์ฐพ๊ธฐ๊ฐ€ ์‰ฝ์ง€ ์•Š๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค
00:55
find. But first, it's time for my quiz
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. ํ•˜์ง€๋งŒ ๋จผ์ € ํ€ด์ฆˆ
00:58
question. And let's start by asking
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์งˆ๋ฌธ ์‹œ๊ฐ„์ž…๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ 
01:00
someone who knows all about
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01:02
surviving in the cold - the US army.
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์ถ”์œ„ ์†์—์„œ ์‚ด์•„๋‚จ๋Š” ๊ฒƒ์— ๋Œ€ํ•ด ๋ชจ๋“  ๊ฒƒ์„ ์•Œ๊ณ  ์žˆ๋Š” ๋ˆ„๊ตฐ๊ฐ€, ์ฆ‰ ๋ฏธ๊ตฐ์—๊ฒŒ ๋ฌผ์–ด๋ณด๋Š” ๊ฒƒ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ฉ์‹œ๋‹ค. ๋ฏธ๊ตฐ ์•ผ์ „ ๊ฐ€์ด๋“œ์˜
01:05
According to the 'Cold Weather
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'์ถ”์šด ๋‚ ์”จ
01:07
Survival' chapter of the US army
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์ƒ์กด' ์žฅ์— ๋”ฐ๋ฅด๋ฉด ๋จธ๋ฆฌ๋ฅผ ๋ฎ์ง€ ์•Š์€ ์ƒํƒœ์—์„œ ์ถ”์œ„ ์†์—์„œ
01:09
field guide, how much heat is lost in
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์–ผ๋งˆ๋‚˜ ๋งŽ์€ ์—ด์ด ์†์‹ค๋˜๋Š”๊ฐ€
01:12
the cold through an uncovered head?
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?
01:15
Is it: a) 30 to 35%?, b) 40 to 45%?
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a) 30~35%?, b) 40~45%?
01:19
or c) 50 to 55%?
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๋˜๋Š” c) 50~55%?
01:23
You might say it's just a popular myth,
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๋‹น์‹ ์€ ๊ทธ๊ฒƒ์ด ๋‹จ์ง€ ๋Œ€์ค‘์ ์ธ ์‹ ํ™”๋ผ๊ณ  ๋งํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค,
01:25
Rob, but I still think half your body heat
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Rob, ํ•˜์ง€๋งŒ ์ €๋Š” ์—ฌ์ „ํžˆ ๋‹น์‹ ์˜ ์ฒด์˜จ์˜ ์ ˆ๋ฐ˜์ด
01:28
is lost from the head, so
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๋จธ๋ฆฌ์—์„œ ์†์‹ค๋œ๋‹ค๊ณ  ์ƒ๊ฐํ•˜๋ฏ€๋กœ
01:29
I'll say c) 50 to 55%.
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c) 50~55%๋ผ๊ณ  ๋งํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:33
OK, Georgina - we'll come back
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์ข‹์•„์š”, Georgina -
01:35
to that later. Anyway, whichever answer
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๋‚˜์ค‘์— ๋‹ค์‹œ ๋‹ค๋ฃจ๊ฒ ์Šต๋‹ˆ๋‹ค. ์–ด์จŒ๋“ , ์–ด๋–ค ๋‹ต์ด
01:38
is correct, the US army obviously
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๋งž๋“ , ๋ฏธ๊ตฐ์€ ๋ช…๋ฐฑํžˆ
01:40
thinks a large percentage of body heat
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์ฒด์—ด์˜ ๋งŽ์€ ๋ถ€๋ถ„์ด
01:43
escapes through the head.
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๋จธ๋ฆฌ๋ฅผ ํ†ตํ•ด ๋น ์ ธ๋‚˜๊ฐ„๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
01:44
But that may not be the whole picture.
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๊ทธ๋Ÿฌ๋‚˜ ๊ทธ๊ฒƒ์ด ์ „์ฒด ๊ทธ๋ฆผ์ด ์•„๋‹ ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
01:46
Over the years, experiments to
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์ˆ˜๋…„์— ๊ฑธ์ณ
01:48
measure body temperature in
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01:50
the snowy wastelands of Canada
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์บ๋‚˜๋‹ค
01:51
and Alaska have given wildly
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์™€ ์•Œ๋ž˜์Šค์นด์˜ ๋ˆˆ ๋ฎ์ธ ํ™ฉ๋ฌด์ง€์—์„œ ์ฒด์˜จ์„ ์ธก์ •ํ•˜๊ธฐ ์œ„ํ•œ ์‹คํ—˜์€ ๋งค์šฐ ๋‹ค๋ฅธ ๊ฒฐ๊ณผ๋ฅผ ์–ป์—ˆ์Šต๋‹ˆ๋‹ค.
01:54
different results - mostly because
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01:56
of variations in the methods used,
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01:58
for example, whether the
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02:00
volunteer's head was covered or
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02:02
not, and whether they were dry
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02:04
or submerged in water.
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๋ฌผ์— ์ž ๊ฒผ์Šต๋‹ˆ๋‹ค.
02:06
So maybe the US army's view is
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๊ทธ๋ž˜์„œ ๋ฏธ๊ตฐ์˜ ์‹œ๊ฐ์ด
02:08
out of date. And here's some surprising
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์‹œ๋Œ€์— ๋’ค๋–จ์–ด์ง„ ๊ฒƒ์ผ ์ˆ˜๋„ ์žˆ๋‹ค.
02:10
information that Tim Harford, presenter
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02:13
of BBC World Service programme,
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BBC World Service ํ”„๋กœ๊ทธ๋žจ
02:14
More or Less, found after a quick
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More or Less์˜ ์ง„ํ–‰์ž์ธ Tim Harford๊ฐ€ Google์—์„œ ๋น ๋ฅด๊ฒŒ ๊ฒ€์ƒ‰ํ•œ ํ›„ ๋ฐœ๊ฒฌํ•œ ๋ช‡ ๊ฐ€์ง€ ๋†€๋ผ์šด ์ •๋ณด๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
02:17
search on Google:
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02:20
The head accounts for about 7% of
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02:22
the body surface area and the heat loss
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02:24
is fairly proportional to the amount
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02:25
of skin that's showing.
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๋ณด์—ฌ์ฃผ๋Š” ํ”ผ๋ถ€์˜.
02:27
A human body's surface area
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์ธ์ฒด์˜ ํ‘œ๋ฉด์ ์€
02:29
means the total area of skin on
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02:31
its outer surfaces - that's the head,
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๋จธ๋ฆฌ,
02:34
chest - or torso, plus the arms and legs.
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๊ฐ€์Šด ๋˜๋Š” ๋ชธํ†ต์— ํŒ”๊ณผ ๋‹ค๋ฆฌ๋ฅผ ๋”ํ•œ ์™ธ๋ถ€ ํ‘œ๋ฉด์˜ ์ด ํ”ผ๋ถ€ ๋ฉด์ ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.
02:38
According to this view, heat
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์ด ๊ฒฌํ•ด์— ๋”ฐ๋ฅด๋ฉด, ์—ด
02:39
loss - meaning the total amount of
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์†์‹ค(ํ‘œ๋ฉด์„ ํ†ตํ•ด
02:41
heat transferred away from something
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๋ฌด์–ธ๊ฐ€๋กœ๋ถ€ํ„ฐ ์ „๋‹ฌ๋˜๋Š” ์ด ์—ด๋Ÿ‰์„ ์˜๋ฏธ)์€
02:44
through its surface, is proportional
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02:46
to body surface area. In that case,
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์‹ ์ฒด ํ‘œ๋ฉด์ ์— ๋น„๋ก€ํ•ฉ๋‹ˆ๋‹ค. ์ด ๊ฒฝ์šฐ
02:50
a 50% heat loss from the head - which
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๋จธ๋ฆฌ์—์„œ 50%์˜ ์—ด ์†์‹ค(
02:53
only makes up 7% of the body's
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์‹ ์ฒด ํ‘œ๋ฉด์ ์˜ 7%๋งŒ ๊ตฌ์„ฑ
02:55
surface area - seems like an overestimation.
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)์€ ๊ณผ๋Œ€ํ‰๊ฐ€๋œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
02:58
In the 1950s, other military experiments
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1950๋…„๋Œ€์—
03:01
were carried out in Canada on soldiers
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์บ๋‚˜๋‹ค์—์„œ๋Š”
03:04
wearing artic warfare clothing - the kind
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03:07
of super-warm thermal clothes you
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03:09
might wear in sub-zero temperatures -
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์˜ํ•˜์˜ ์˜จ๋„์—์„œ ์ž…์„ ์ˆ˜ ์žˆ๋Š” ๋งค์šฐ ๋”ฐ๋œปํ•œ ๋ณด์˜จ๋ณต์ธ ๋ถ๊ทน์ „๋ณต์„ ์ž…์€ ๊ตฐ์ธ๋“ค์— ๋Œ€ํ•œ ๋‹ค๋ฅธ ๊ตฐ์‚ฌ ์‹คํ—˜์ด ์ˆ˜ํ–‰๋˜์—ˆ์ง€๋งŒ
03:11
but with nothing to cover their heads.
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๋จธ๋ฆฌ๋ฅผ ๊ฐ€๋ฆด ๊ฒƒ์€ ์•„๋ฌด๊ฒƒ๋„ ์—†์—ˆ์Šต๋‹ˆ๋‹ค.
03:14
Here's professor of physiology,
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์—ฌ๊ธฐ ์ƒ๋ฆฌํ•™ ๊ต์ˆ˜์ธ
03:16
Mike Tipton, taking up the story
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Mike Tipton์ด
03:18
with BBC World Service
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BBC World Service
03:19
programme, More or Less:
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ํ”„๋กœ๊ทธ๋žจ์ธ More or Less์—์„œ ์ด์•ผ๊ธฐ๋ฅผ ์ด์–ด๊ฐ€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
03:21
The question was: how important
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๋ฌธ์ œ๋Š”
03:24
is the head to also provide some
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์ผ๋ถ€
03:26
equipment, a hat or some form
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์žฅ๋น„, ๋ชจ์ž ๋˜๋Š”
03:28
of insulation. And in that scenario
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๋‹จ์—ด์žฌ๋ฅผ ์ œ๊ณตํ•˜๋Š” ๋ฐ ๋จธ๋ฆฌ๊ฐ€ ์–ผ๋งˆ๋‚˜ ์ค‘์š”ํ•œ๊ฐ€ ํ•˜๋Š” ๊ฒƒ์ด์—ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๋ฌผ๋ก  ๊ทธ ์‹œ๋‚˜๋ฆฌ์˜ค์—์„œ
03:31
of course, when you've got insulation
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03:32
over much of the rest of the
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์‹ ์ฒด์˜ ๋‚˜๋จธ์ง€ ๋ถ€๋ถ„์—
03:34
body preventing heat loss, then
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์—ด ์†์‹ค์„ ๋ฐฉ์ง€ํ•˜๋Š” ๋‹จ์—ด์žฌ๊ฐ€ ์žˆ์œผ๋ฉด
03:36
obviously the percentage of heat
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๋ถ„๋ช…ํžˆ
03:37
loss from the head is going to be high...
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๋จธ๋ฆฌ์—์„œ ์—ด ์†์‹ค ๋น„์œจ์ด ๋†’์•„์งˆ ๊ฒƒ์ž…๋‹ˆ๋‹ค... ์„ญ์”จ
03:39
and at minus 4 degrees Celsius,
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์˜ํ•˜ 4๋„์—์„œ
03:42
it amounted to about half of the
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๊ทธ๊ฒƒ์€
03:44
resting heat production of the body.
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์‹ ์ฒด์˜ ํœด์‹ ์—ด ์ƒ์‚ฐ์˜ ์•ฝ ์ ˆ๋ฐ˜์— ๋‹ฌํ–ˆ์Šต๋‹ˆ๋‹ค.
03:47
Here the soldiers bodies were
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์—ฌ๊ธฐ์„œ ๋ณ‘์‚ฌ๋“ค์˜ ์‹œ์‹ ์€
03:48
protected with insulation - thick
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03:51
material used to stop heat from escaping.
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์—ด์ด ๋น ์ ธ๋‚˜๊ฐ€๋Š” ๊ฒƒ์„ ๋ง‰๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ๋‘๊บผ์šด ์žฌ๋ฃŒ์ธ ๋‹จ์—ด์žฌ๋กœ ๋ณดํ˜ธ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
03:54
Since their heads were exposed
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๊ทธ๋“ค์˜ ๋จธ๋ฆฌ๋Š” ์ถ”์œ„์— ๋…ธ์ถœ๋˜์–ด ์žˆ์—ˆ๊ธฐ ๋•Œ๋ฌธ์—
03:55
to the cold, around half of their body
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03:57
heat escaped that way when resting -
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03:59
not moving or doing anything active.
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์›€์ง์ด๊ฑฐ๋‚˜ ํ™œ๋™์ ์ธ ์ผ์„ ํ•˜์ง€ ์•Š๊ณ  ํœด์‹์„ ์ทจํ•  ๋•Œ ์ฒด์˜จ์˜ ์•ฝ ์ ˆ๋ฐ˜์ด ๊ทธ๋Ÿฐ ์‹์œผ๋กœ ๋น ์ ธ๋‚˜๊ฐ”์Šต๋‹ˆ๋‹ค.
04:02
And so the idea that half your body
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๋”ฐ๋ผ์„œ ์ฒด์˜จ์˜ ์ ˆ๋ฐ˜์ด
04:04
heat is lost through the head slowly
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๋จธ๋ฆฌ๋ฅผ ํ†ตํ•ด ์†์‹ค๋œ๋‹ค๋Š” ์ƒ๊ฐ์€ ์„œ์„œํžˆ
04:06
become a popular myth.
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์ธ๊ธฐ ์žˆ๋Š” ์‹ ํ™”๊ฐ€ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
04:08
But before you throw your woolly
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๊ทธ๋Ÿฌ๋‚˜ ํ„ธ๋ชจ์ž๋ฅผ ์“ฐ๋ ˆ๊ธฐํ†ต์— ๋ฒ„๋ฆฌ๊ธฐ ์ „์—
04:09
hats in the bin, there's another
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04:11
consideration to bear in mind;
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์—ผ๋‘์— ๋‘์–ด์•ผ ํ•  ๋˜ ๋‹ค๋ฅธ ๊ณ ๋ ค ์‚ฌํ•ญ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
04:13
one that concerns your core
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์‹ฌ๋ถ€
04:15
temperature - that's the internal
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์˜จ๋„์™€ ๊ด€๋ จ๋œ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ด๋Š”
04:17
temperature inside your body,
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04:19
including the blood, heart,
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ํ˜ˆ์•ก, ์‹ฌ์žฅ
04:20
and other vital organs.
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๋ฐ ๊ธฐํƒ€ ์ค‘์š”ํ•œ ์žฅ๊ธฐ๋ฅผ ํฌํ•จํ•˜์—ฌ ์‹ ์ฒด ๋‚ด๋ถ€์˜ ๋‚ด๋ถ€ ์˜จ๋„์ž…๋‹ˆ๋‹ค.
04:23
When the head is allowed to
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๋จธ๋ฆฌ๊ฐ€
04:24
get cold and the body is well insulated,
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์ฐจ๊ฐ€์›Œ์ง€๊ณ  ๋ชธ์ด ์ž˜ ๋‹จ์—ด๋˜๋ฉด ํ˜ˆ์•ก ์ˆœํ™˜์œผ๋กœ ์ธํ•ด
04:27
the body's core temperature drops
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๋ชธ์˜ ์‹ฌ๋ถ€ ์˜จ๋„๊ฐ€ ๊ธ‰๊ฒฉํžˆ ๋–จ์–ด์ง‘๋‹ˆ๋‹ค
04:28
rapidly due to the circulation of blood.
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.
04:31
Wow! This question really is
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์šฐ์™€! ์ด ์งˆ๋ฌธ์€ ์ •๋ง
04:33
blowing hot and cold - now I have no
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๋œจ๊ฒ๊ณ  ์ฐจ๊ฐ‘๊ฒŒ ๋ถˆ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ด์ œ ๋จธ๋ฆฌ์—์„œ
04:36
idea how much heat is actually lost
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์‹ค์ œ๋กœ ์–ผ๋งˆ๋‚˜ ๋งŽ์€ ์—ด์ด ์†์‹ค๋˜๋Š”์ง€ ์ „ํ˜€ ์•Œ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค
04:38
from the head! Why don't you just
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!
04:40
tell me the answer, Rob?
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๋‹ต์„ ๋งํ•ด์ฃผ์ง€ ๊ทธ๋ž˜, ๋กญ?
04:42
OK then. Well, in my quiz question
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๊ทธ๋ž˜ ๊ทธ๋ฆฌ๊ณ  ๋‚˜์„œ. ๊ธ€์Ž„, ๋‚ด ํ€ด์ฆˆ ์งˆ๋ฌธ์—์„œ
04:44
I asked how much heat the US army
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๋‚˜๋Š” ๋ฏธ ์œก๊ตฐ ๊ฐ€์ด๋“œ๊ฐ€ ๋งํ•œ ๋จธ๋ฆฌ๋ฅผ ํ†ตํ•ด ์–ผ๋งˆ๋‚˜ ๋งŽ์€ ์—ด์ด ์†์‹ค๋˜๋Š”์ง€ ๋ฌผ์—ˆ์Šต๋‹ˆ๋‹ค
04:46
guide says is lost through the head.
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.
04:49
I guessed c) 50 to 55%, or
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๋‚˜๋Š” c) 50~55%,
04:52
roughly one half. Was I right?
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๋Œ€๋žต ์ ˆ๋ฐ˜ ์ •๋„๋ผ๊ณ  ์ถ”์ธกํ–ˆ๋‹ค. ๋‚ด๊ฐ€ ๋งž์•˜์–ด?
04:55
Well, you were warm, Georgina -
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๊ธ€์Ž„์š”, ๋‹น์‹ ์€ ๋”ฐ๋œปํ–ˆ์ง€๋งŒ Georgina๋Š”
04:57
but not right. In fact the army field
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์˜ณ์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. ์‚ฌ์‹ค ์œก๊ตฐ ์•ผ์ „
05:00
guide says, b) 40 to 45% - but
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์•ˆ๋‚ด์ธ์€ b) 40~45%๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ
05:04
as we've seen in this case,
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์ด ์‚ฌ๋ก€์—์„œ ์‚ดํŽด๋ณธ ๊ฒƒ์ฒ˜๋Ÿผ
05:06
cold facts are hard to come by.
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๋ƒ‰์ •ํ•œ ์‚ฌ์‹ค์„ ์•Œ๊ธฐ๋Š” ์–ด๋ ต์Šต๋‹ˆ๋‹ค.
05:08
Let's recap our vocabulary then,
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๊ทธ๋Ÿฌ๋ฉด ์šฐ๋ฆฌ์˜ ์–ดํœ˜๋ฅผ ์š”์•ฝํ•ด ๋ด…์‹œ๋‹ค.
05:11
because we're still not sure if
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05:12
wearing a hat to keep warm is
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๋ณด์˜จ์„ ์œ„ํ•ด ๋ชจ์ž๋ฅผ ์“ฐ๋Š” ๊ฒƒ์ด
05:13
just a popular myth - something
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05:16
people believe to be true but
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์‚ฌ๋žŒ๋“ค์ด ์‚ฌ์‹ค์ด๋ผ๊ณ  ๋ฏฟ์ง€๋งŒ
05:18
which actually is not.
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์‹ค์ œ๋กœ๋Š” ๊ทธ๋ ‡์ง€ ์•Š์€ ๋Œ€์ค‘์ ์ธ ์‹ ํ™”์ธ์ง€ ์•„์ง ํ™•์‹คํ•˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
05:20
It seems that heat loss - the
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์—ด ์†์‹ค(๋ฌด์–ธ๊ฐ€
05:22
total heat transferred away from
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๋กœ๋ถ€ํ„ฐ ์ „๋‹ฌ๋œ ์ด ์—ด)์€ ์ถ”์œ„์— ๋…ธ์ถœ๋˜์—ˆ์„ ๋•Œ
05:24
something, is linked to the surface
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05:27
area or total area of the body's
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์‹ ์ฒด ์™ธ๋ถ€ ํ‘œ๋ฉด์˜ ํ‘œ๋ฉด์  ๋˜๋Š” ์ด ๋ฉด์ ๊ณผ ๊ด€๋ จ์ด ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ๋ณด์ž…๋‹ˆ๋‹ค
05:29
outer surfaces when exposed
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05:31
to the cold.
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.
05:33
But wearing insulation - material
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๊ทธ๋Ÿฌ๋‚˜
05:35
used to stop heat from escaping,
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์—ด์ด ๋น ์ ธ๋‚˜๊ฐ€๋Š” ๊ฒƒ์„ ๋ง‰๋Š” ๋ฐ ์‚ฌ์šฉ๋˜๋Š” ๋‹จ์—ด์žฌ๋ฅผ ์ฐฉ์šฉํ•˜๋ฉด
05:37
may change the body's resting
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์‹ ์ฒด์˜ ํœด์‹
05:39
temperature - its temperature
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์˜จ๋„(
05:40
when not moving and at rest...
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์›€์ง์ด์ง€ ์•Š์„ ๋•Œ์™€ ํœด์‹ ์ค‘์ผ ๋•Œ์˜ ์˜จ๋„)๋ฅผ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค... ...
05:43
... and also affect your core
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์‹ฌ๋ถ€
05:45
temperature - your body's internal
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์˜จ๋„(
05:47
temperature, including the heart and blood.
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์‹ฌ์žฅ๊ณผ ํ˜ˆ์•ก์„ ํฌํ•จํ•œ ์‹ ์ฒด์˜ ๋‚ด๋ถ€ ์˜จ๋„)์—๋„ ์˜ํ–ฅ์„ ๋ฏธ์นฉ๋‹ˆ๋‹ค. .
05:50
That's all for this programme.
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์ด๊ฒƒ์ด ์ด ํ”„๋กœ๊ทธ๋žจ์˜ ์ „๋ถ€์ž…๋‹ˆ๋‹ค.
05:52
Remember to wrap up warm for the winter...
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๊ฒจ์šธ์„ ์œ„ํ•ด ๋”ฐ๋œปํ•˜๊ฒŒ ํฌ์žฅํ•˜๋Š” ๊ฒƒ์„ ์žŠ์ง€ ๋งˆ์„ธ์š”...
05:54
And maybe pop a woolly hat in
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๋งŒ์•ฝ์„ ๋Œ€๋น„ํ•˜์—ฌ ์ฃผ๋จธ๋‹ˆ์— ์–‘๋ชจ ๋ชจ์ž๋ฅผ ๋„ฃ์–ด๋‘์„ธ์š”
05:56
your pocket to wear, just in case!
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! 6 Minute English์—์„œ
05:59
See you again soon for more
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๋” ๋งŽ์€ ์ธ๊ธฐ ์ฃผ์ œ์™€ ์–ดํœ˜๋ฅผ ์œ„ํ•ด ๊ณง ๋‹ค์‹œ ๋ต™๊ฒ ์Šต๋‹ˆ๋‹ค
06:00
trending topics and vocabulary
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06:02
here at 6 Minute English.
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.
06:04
Bye for now!
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06:04
Bye!
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์ง€๊ธˆ์€ ์•ˆ๋…•!
์•ˆ๋…•!
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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