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让很多人困扰的问题：照镜子为什么是左右颠倒，而不是上下颠倒？
简单粗暴，一说你就懂
科普视频合集38/47
App03:57
App03:45
App04:43
App04:26
App00:38
App05:41
App04:12
App10:04
App06:17
App07:53
App05:34简单粗暴，一说你就懂
App03:57App03:45App04:43App04:26App00:38App05:41App04:12App10:04App06:17App07:53App05:34
