According to Politico, the acting head of Nasa referred to similar plans by China and Russia and said those two countries "could potentially declare a keep-out zone" on the Moon.
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。业内人士推荐Line官方版本下载作为进阶阅读
今年的三星可不是小涨价，而是结结实实大涨了一波。
Perhaps that’s the biggest irony of all. Space is huge and mostly empty—and yet there’s no easy way to throw things out.