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inner solar system短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 内太阳系 The Messenger began its trip through the inner solar system six and a half years ago, and it entered orbit around Mercury on March18. “信使”号探测器在六年半前开始了它的太阳系之旅,直到今年三月十八日才进入水星轨道。 yeeyan The Orionids meteors started as sand sized bits expelled from Comet Halley during one of its trips to the inner Solar System. 猎户座流星雨是哈雷彗星进入太阳系后受热喷发出的沙状大小的碎片。 com |