perihelion的翻译，读音
英/ ˌperɪˈhiːlɪən /
美/ ˌperɪˈhilɪən /
释义：
n.[天] 近日点；最高点
词态
复数perihelia或perihelions反义词
aphelion
例句
The angular deviation, as observed from the sun, of a planet from its perihelion. 近点距离, 近点角从太阳观察到的行星距近日点的角度偏差. 。
The angular deviation, as observed from the sun, of a planet from its perihelion . 近点距离， 近点角从太阳观察到的行星距近日点的角度偏差。
He also figured out the planet goes faster when it's at perihelion, nearer the sun, than when it's at aphelion, its farthest distance. 他还计算出地球在近日点（即距离太阳最近的点）比在远日点（即距离太远最远的点）运行得更快。
The splendor of Aquarius meteor shower currently seen across the night sky is the ice particle dust sprayed out by Halley's Comet during last perihelion pass. 目前人们看到宝瓶座流星雨划破夜空的异彩，就是哈雷彗星以往过近日点时喷洒出来的尘埃冰粒。
The Q is - do you mean Pluto in its aphelion or perihelion ? 我的问题是，冥王星此时是在近地点还是远地点？ 。