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单词
methene
释义
meth·ene
\ˈmeˌthēn\
noun
(
-s
)
Etymology:
International Scientific Vocabulary
meth- + -ene
1.
:
methylene
2.
:
a complex unsaturated derivative of methane of the general formula R−CH . R′
< di-pyrryl-
methene
HNC
4
H
3
−CH . C
4
H
3
N >
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更新时间:2025/7/26 10:32:07