什么光照射红色不透明物体是,它呈现黑色?
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什么光照射红色不透明物体是,它呈现黑色?
什么光照射红色不透明物体是,它呈现黑色?
什么光照射红色不透明物体是,它呈现黑色?
...除了白光和红光其他都是黑的
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