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单词
aryl group
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ar
′
yl group′,
[
Chem.
]
Chemistry
any organic group derived from an aromatic hydrocarbon by the removal of a hydrogen atom, as phenyl, C
6
H
5
-, from benzene, C
6
H
6
. Also called
ar
′
yl rad′ical.
1905–10
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flash welding
flashy
flask
flasket
-flat-
flat
flat arch
flat back
flatbed
flat-bed lorry
flat-bed plotter
flatbed plotter
flat-bed press
flat-bed scanner
flatboat
flat bond
flat-bottomed
flatbread
flat bug
flatcar
flat character
flat-coated retriever
flat-earther
flatette
flat-felled seam
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更新时间:2025/2/23 0:45:20