How the stethoscope was invented | Moments of Vision 7 - Jessica Oreck

400,971 views ・ 2016-12-29

TED-Ed


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翻译人员: Alex Li 校对人员: Shelly 莹嫣 Yao 姚
00:06
In a Moment of Vision...
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由于一瞬间的想象力……
00:13
It's 1816.
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1816年
00:15
A 35-year-old doctor by the name of René Laennec
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35岁的医生雷内·兰尼克
00:17
is walking through Paris.
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在巴黎城内散步
00:20
He pauses to watch as two children signal to each other
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他看到两个小孩用一条长木板
00:23
across a long piece of wooden board.
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互相发送信号
00:27
One child holds the board to her ear.
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一个小孩把木板的一端放在耳边
00:29
The other scratches the opposite end
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另一个小孩则刮擦木板的另外一端
00:31
sending the amplified sound down the length of wood.
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被放大了声音便通过木板传导了过来
00:36
Later, Laennec is called to assess a young woman with a heart condition.
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随后,兰尼克医生被叫去医院,为一名少女检查心脏问题
00:42
The patient is purportedly quite well developed
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据说这位病人身材发育得非常良好
00:45
and Laennec expresses some hesitation
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对于直接把耳朵贴在她胸口上
00:47
in pressing his ear directly against her chest.
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兰尼克医生表示有点犹豫
00:51
Remembering the children with the board,
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这时,他想起了那两个拿着木板的小孩
00:53
Laennec, in a moment of vision and dignity,
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这时,出于一瞬间的想象力,也为了维护自己的尊严
00:56
tightly rolls a sheet of paper
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他将一张纸紧紧卷起来
00:59
and places one end to his ear
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将一端贴在耳边
01:01
and one end over the young woman's heaving bosom.
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而将另一端抵在少女饱满的胸前
01:06
He is delighted by the clarity of the sound.
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他高兴地发现,声音十分清晰
01:10
Laennec spends the next three years developing and testing various materials
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在接下来的三年,兰尼克医生都在尝试使用不同的材料
01:14
and mechanisms
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和构造
01:15
before settling on a hollow wooden tube with detachable plug.
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最终决定使用空心的木管和可拆卸的塞子
01:20
His device becomes the forerunner
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他发明的这种仪器
01:21
to the metal, plastic, and rubber stethoscope we still use today.
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成为如今使用的金属、塑料和橡胶制听诊器的前身
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