• Many minerals in the asbestos family can absorb light with a wavelength measuring two-point three micrometers.

    VOA: special.2009.11.17

  • I wish it didn't say "exit," but it does say "exit," because that kind of weakens my point, but over many auditorium doors a red light just hangs there.

    如果这些灯上没有注明出口就好了“,因为这样会削弱我要证明的观点,礼堂的门上一般会挂着一盏红灯。

    耶鲁公开课 - 文学理论导论课程节选

  • So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.

    所以关于这个观点,在它被真正确立之前,光有时候像粒子,在什么是光和什么是物质之间,有一个非常巨大的区别。

    麻省理工公开课 - 化学原理课程节选

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