单词：aphelion
aphelion的用法和样例：
例句
- Otherwise difficult to notice, the change in the Sun's apparent diameter between Perihelion and Aphelion is clear.我们很难用肉眼看出近日点和远日点太阳视直径的变化，但在这张图上显而易见。
- perihelion近日点
单词：aphelion 相关文章
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