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perihelion例句_perihelion英汉例句_perihelion双解例句_伍贰汉英词典
伍贰汉英词典

perihelion

P 开头单词

常见例句

    用作名词 (n.)

  • A comet is at perihelion when it is closest to the sun.
    彗星最接近太阳时，它就是在近日点。
  • The anomalistic year is the time between successive transits of the Earth through the perihelion.
    近点年是地球连续两次通过近日点之间的时间。
    • 返回 perihelion