The body is having all sorts of light bounce off my eyes of various wavelengths.

身体可以通过不同的,波长把光线反射进我的眼睛

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and have everyone come up with different ideas, and then you can bounce ideas off each other and

每个人都能提出不同的想法，你们可以互相讨论各自的观点，

要做好角色分担 - SpeakingMax英语口语达人