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单词
heptachlor
释义
WordReference Random House Unabridged Dictionary of American English © 2024
hep•ta•chlor
(hep
′
tə klôr′, -klōr′),
USA pronunciation
n.
Agriculture, Chemistry, Pest Control
a highly toxic, light-tan, waxy solid, C
10
H
5
Cl
7
, used as an insecticide: its manufacture and use are restricted in the U.S.
hepta
- +
chlor
-
2
1945–50
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更新时间:2026/1/27 10:01:44