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单词
obturate
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ob•tu•rate
(ob
′
tə rāt′, -tyə-),
USA pronunciation
v.t.,
-rat•ed, -rat•ing.
to stop up;
close.
Military
[
Ordn.
]
to close (a hole or cavity) so as to prevent a flow of gas through it, esp. the escape of explosive gas from a gun tube during firing.
Latin
obtūrātus,
past participle of
obtūrāre
to block, stop up
1550–60
ob′tu•ra
′
tion
,
n.
ob
′
tu•ra′tor
,
n.
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更新时间:2025/11/11 0:58:48