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SSS 2010-10-29

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SSS 2011-07-05

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

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furthermore ad.而且，此外 furthest a. 最远的,最遥远的 fuse n.保险丝，导火线 future n.将来，未来 gain vt.vi.获得 n.利益 gallery n.长廊，游廊；画廊 gallon n.加仑 ga