| 单词 | evection |
| 释义 | evection /i- or ē-vekˈshən/ (astronomy)nounA lunar inequality, the combined effect of the irregularity of the point of the moon's orbit at which it is nearest to Earth and the alternate increase and decrease of the eccentricity of the moon's orbit ORIGIN: L ēvectiō, -ōnis, from ē from, and vehere, vectum to carry |
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