evection如何读

英：[ɪ'vekʃən]

美：[ɪ'vekʃən]

evection是什么意思

  • n.[天]出差

evection英英释义

Evection

  • Evection (Latin for carrying away), in astronomy, is the largest inequality produced by the action of the Sun in the monthly revolution of the Moon around the Earth. The evection, formerly called the moon's second anomaly, was approximately known in ancient times, and its discovery is attributed to Ptolemy.

以上来源于:Wikipedia

evection词源中文解释

1650年代，“执行或带走的行为”，源自晚期拉丁语 evectionem（主格 evectio）“向上运载，飞行”，源自拉丁语 evehere，来自 ex “从内部向外”（见 ex-) + vehere “搬运”（源自 PIE 词根 *wegh- “走，移动，用车辆运输”）。天文学意义上，“第二个月球不等式”来自1706年。

evection_天文学行业词汇

出差

月球运动里因月球轨道偏心率的变化而产生的周期为31.8天的摄动项。

evection词源英文解释

mid 17th cent. (in the sense 'elevation, exaltation'): from Latin evectio(n-), from evehere 'carry out or up', from e- (variant of ex-) 'out' + vehere 'carry'

evection 例句

1 My friend went to Beijing on evection.

一个学生把我的朋友去北京出差了。

2 By the way , tomorrow I will have evection for a week.

顺便说一下，明天我要出差一个星期！

evection 同义词

1 出差

go on errands outbound trick

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