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单词
methylene group
释义
WordReference Random House Unabridged Dictionary of American English © 2024
meth
′
ylene group′,
[
Chem.
]
Chemistry
the bivalent organic group >CH
2
, derived from methane. Also called
meth
′
ylene rad′ical.
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更新时间:2025/11/17 2:59:47