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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  So he could associate every color with a distance.
  他能将每种颜色与距离对应
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  How could he know the distance?
  他如何知道距离
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  Because he could measure the diameter of the rings.
  因为他能测量环的直径
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  And he said this: "Observation Six:
  他说 观察六
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  The Diameter of the fixth Ring"
  第六环的直径
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  "at the most lucid part of its Orbit was
  轨道最清晰的部分是
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  58/100ths of an inch,
  一英寸的一百分之八
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  and the Diameter of the sphere
  这个双凸物镜球体的
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  on which the double convex Object-glass was ground was about 102 Feet;
  直径约为102英尺
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  hence I gathered the thickness of the Air
  因此我得到这个玻璃环的
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  or Aereal Interval of the Glasses in that Ring."
  空气间隙或间隔厚度
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  So in other words, here's the air gap he's trying to measure,
  换句话说 这就是他所尝试测量的