It is not much when you consider that they cover 219 million miles a year; the drift is around 10 billion times weaker than the Earth's pull on your feet.
你几乎无需考虑就可以算出:它们一年就走完了2190万英里的路程;与地球对你双脚的引力相比,这种漂移的引力要弱100亿倍。
If you really want to get into the spirit of things you'll pull out some of the old music and movies and allow yourself to drift back as you browse through the articles.
如果您想获得更深入的精神享受,可以尝试放一些旧音乐,浏览文章时让自己回到过去的年代。
If you really want to get into the spirit of things you'll pull out some of the old music and movies and allow yourself to drift back as you browse through the articles.
如果您想获得更深入的精神享受,可以尝试放一些旧音乐,浏览文章时让自己回到过去的年代。
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