Collapsing interstellar cloud reverses its gravitational infall and expands outward into the relatively quiescent interstellar environment.

坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去.

辞典例句

Scientists think the answer may lie in a dusty interstellar cloud, like the one shown here.

科学家们认为,答案可能在于星际尘云之中(如图中所示).

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