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单词
evection
释义
WordReference Random House Unabridged Dictionary of American English © 2024
e•vec•tion
(i vek
′
shən),
USA pronunciation
n.
[
Astron.
]
Astronomy
a periodic irregularity in the moon's motion, caused by the attraction of the sun.
Latin
ēvectiōn-
(stem of
ēvectiō
) a going upwards, flight, equivalent. to
ēvect
(
us
) (past participle of
ēvehere
to carry forth, move forth) +
-iōn-
-
ion
1650–60
e•vec
′
tion•al
,
adj.
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更新时间:2026/5/1 5:23:42