英英辞典 - English Dictionary | CUERBO - クエルボ英語辞書

comet

noun

  1. a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit

    氷の塊でできた比較的小さな天体で、細長い楕円軌道で太陽の周りを回る

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