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单词 planetoid
释义

planetoid

/ˈplanɪtɔɪd /
noun
Another term for asteroid.Most of these are in stable orbits around the Sun and are really just small planets, or planetoids....
  • It is from these exchanges that Earth finally begins to establish colonies on other planets (and planetoids besides the moon) in order to deal with its overwhelming population.
  • This shorter rotation period is typical of planetoids in our solar system, requiring no external influences to explain.
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更新时间:2025/3/22 13:01:52