音標(biāo)發(fā)音英式音標(biāo) [?per.??hi?.li.?n]美式音標(biāo) [-?]基本解釋n.近日點；最高點同根派生 perihelion相關(guān)詞英漢例句用作名詞 (n.)A comet is at perihelion when it is closest to the sun.彗星最接近太陽時，它就是在近日點。The anomalistic year is the time between successive transits of the Earth through the perihelion.近點年是地球連續(xù)兩次通過近日點之間的時間。perihelion更多例句英英字典劍橋英英字典 the point in an object's orbit (= a curved path in space around a planet or star) around the sun at which the object is closest to the sunperihelion劍橋字典perihelion柯林斯字典