来自《耶鲁大学开放课程：新生有机化学 第4集 第4集》

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  I don't know if you can see it or not.
  但不清楚你们是否看得清
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  But anyhow it's held into this piece of stuff here.
  总之芯片被嵌在那玻片上
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  And those little tips are pointing up here,
  那些V形顶端朝上
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  but in fact the thing is used upside down
  但实际上这装置是颠倒过来用的
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  so they point down.
  所以顶端其实是朝下
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  So here's that thing mounted in an instrument,
  这样这装置就被安在了这仪器上
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  and you see there's a red light glowing in the glass,
  你可以看到透镜中有红光发出
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  and the reason is it's being irradiated by --
  发光的原因是受激辐射
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  so there's a blown up
  这里有一张
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  picture of one of these tips, pointing down.
  其中一个顶端的放大图片 顶端朝下
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  And laser light comes and bounces off the shiny gold on this tip,
  激光射出并在顶端被金弹回
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  and gets reflected up to a detector.
  随后又被反射到检测器上