基本解释n.近日点；最高点同根派生 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。