哪些食物和水果是感光的？

What food and fruit are sensitive?

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老鼠和人类的眼睛都有三种可以感光的感受器。

Mice, and humans, have three types of light-detecting receptor in the eye.

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胶卷上涂了一层感光的化学物质，这些物质因光的不同色度与颜色而改变。

The film is coated with light sensitive chemicals, which are change by the different shades and colors of light.

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And then further you put some recording device, which in those days was a photographic plate, far across a room. So you take a tiny, tiny angle and you go far enough across the room.

接着放一些记录设备，那时用的是一个摄影用的感光片，取一个极小极小的角度,然后去到房间中足够远的地方。

麻省理工公开课 - 固态化学导论课程节选

And we record here. And this is the blowup of what is on that photographic plate.

我们在这里记录,这是感光片所拥有的东西的放大形式。

麻省理工公开课 - 固态化学导论课程节选