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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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boîtes
boötes
boğazköy
b/p
bp
b.p.a.
b particle
bpc
bpd
b.p.e.
b.pet.e.
b.p.h.
b.pharm.
b.phil.
bphil
bpi
b-picture
bpl.
bpl
b.p.o.e.
b power supply
bpr
bps
b.pt.
bq
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更新时间:2026/9/26 8:51:17