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單詞乎

libration

音標[lai'brei??n]
libration是什么意思、libration怎么讀

libration漢語翻譯

n. 擺動, 天平動

libration詞型變化

形容詞:librational 

libration英語解釋

名詞 libration:

  1. (astronomy) a real or apparent slow oscillation of a moon or satellite

libration詳細解釋

li.bra.tion

n.(名詞)
A very slow oscillation, real or apparent, of a satellite as viewed from the larger celestial body around which it revolves.
天平動:衛(wèi)星的真正或是表面上的緩慢擺動,可以從衛(wèi)星所公轉(zhuǎn)的較大天體上觀測到

來源:
Latin lobr3tio lobr3tiôn- [oscillation]
拉丁語 lobr3tio lobr3tiôn- [擺動]
from lobr3tus [past participle of] lobr3re [to balance]
源自 lobr3tus [] lobr3re的過去分詞 [使平衡]
from lobra [balance]
源自 lobra [平衡]

【引伸】
libra.tional
adj.(形容詞)
li.brato.ry

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