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单词
phenylene group
释义
WordReference Random House Unabridged Dictionary of American English © 2024
phen
′
ylene group′,
[
Chem.
]
Chemistry
any of three bivalent, isomeric groups having the formula –C
6
H
4
–, derived from benzene by the removal of two hydrogen atoms. Also called
phen
′
ylene rad′ical.
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更新时间:2026/9/17 21:33:27