n. 近日点, 最高点, 顶点
n. periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
1. But we're on course to take advantage of the orbital eccentricity and meet it at its perihelion.
但我们正准备利用 轨道偏心率 并在其近日点达到要求
以上参考资料就是本英汉词典详细汇总的单词perihelion的翻译英语含义，如有错漏请向我们提供反馈意见。