来自《耶鲁大学开放课程：新生有机化学 第5集 第5集》

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  at that underlying pattern.
  看它的潜在模式
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  And now we're ready for the piece de resistance,
  现在我们已经为最后的惊喜做好准备
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  which is the light bulb filament, which is hard to see.
  这就是灯泡丝的例子 比较难观察
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  This is why we really needed the lights out.
  所以还是把亮度调高点吧
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  We needed it for the snowflake too because it was so --
  雪花的例子也需要调节下亮度
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  so what do you see for the light bulb filament?
  那么灯泡丝的例子中大伙看到了什么呢
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  An X.
  一个X
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  You see an X, right?
  是X对吧
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  Can people in the back see the X?
  后面的同学能看到这个X吗
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  And there are dots along the arms of the X. Okay?
  沿着X图形的臂上有许多点
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  So that does it, you can open your laptops again now
  就是这样 大家可以打开本本了
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  and we'll try to get some lights back on.
  接着我来把灯开了