perihelial

基本解释

• n.近日点；最高点

同根派生

• perihelial相关词

英汉例句

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。

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