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单词
piperonyl butoxide
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pi•per
′
o•nyl butox
′
ide
(pi per
′
ə nl, pī-, pip
′
ər ə nil),
USA pronunciation
[
Chem.
]
Chemistry, Pest Control
a light-brown liquid, C
1
9
H
3
0
O
5
, used chiefly as a synergist in certain insecticides.
1940–45;
piperon
(
al
) + -
yl;
but-
(from
butyric
) +
oxide
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更新时间:2025/11/12 19:47:49