15个关于外太空的事实,很多你意想不到的,比如宇航员不会打嗝,表明干净的金属会黏附在一起,土星密度低到可以漂浮在水上……一起来看看吧!
来源:onlineschools.org
编译:MazingTech
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15个关于外太空的事实,很多你意想不到的,比如宇航员不会打嗝,表明干净的金属会黏附在一起,土星密度低到可以漂浮在水上……一起来看看吧!
来源:onlineschools.org
编译:MazingTech
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