网络释义专业释义英英释义
aphelion [ æ'fi:ljən ]
- n. apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
以上来源于: WordNet
柯林斯英汉双解大词典
aphelion /æpˈhiːlɪən, əˈfiː-/
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1.
N the point in its orbit when a planet or comet is at its greatest distance from the sun 远日点 → compare perihelion
双语例句
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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。
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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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The point in the orbit nearest the sun is called perihelion, while the point farthest is called aphelion.
在轨道上最接近太阳的点被称为近日点，而最远离太阳的点被称为远日点。
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