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同义词： meteor stream
以上来源于: WordNet
N a transient rain of meteors, such as the Perseids, occurring at regular intervals and coming from a particular region in the sky. It is caused by the earth passing through a large number of meteoroids (a meteor swarm) 流星雨
If we had rock samples to study, we'd know whether these small craters were formed by impacts during the final stages of planetary formation, or if they resulted from later meteor showers.
如果我们有岩石样本用于研究，我们就能知道，这些小陨石坑是在行星形成的最后阶段被撞击形成的，还是后来的流星雨造成的。
We have meteor showers. They can be the occasional comet that can grace the sky.
当彗星偶尔优雅划过天际的时，我们还能看到流星雨。
Comets leave a trail of debris behind them that can lead to meteor showers on Earth.
彗星会在经过的地方留下一些碎片，这些碎片可以引起地球上的流星雨现象。
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