| 释义 |
aphelion 英音 [ æpˈhiːlɪən ] 美音 [ æˈfilɪən ] 释义 n. 远日点 变形 aphelia/aphelions 复数 例句 1·A comet is at aphelion when it is farthest from the sun. 彗星离太阳最远时就是在它的远日点上。 2·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? 3·But it's not that simple either, because the dates of the perihelion and aphelion are also shifting. 但这并不是简单的一件事情,因为近日点和远日点的日期都会变换。
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