美国是科技强国。可美国NSF调研发现，几乎一半美国公民不知道地球太阳哪个饶哪个转。。。

来源: zhiyanle 于 2024-10-08 13:14:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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