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pyrrole
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pyr•role
(pi rōl
′
, pir
′
ōl),
USA pronunciation
n.
[
Chem.
]
Chemistry
a colorless, toxic, liquid, five-membered ring compound, C
4
H
5
N, that is a component of chlorophyll, hemin, and many other important naturally occurring substances.
Greek
pyrr
(
hós
) red + -
ole
1825–35; irregularly
pyr•rol•ic
(pi rol
′
ik, -rō
′
lik),
USA pronunciation
adj.
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predominant
predominantly
predominate
predominatingly
predomination
predominator
predynastic
pree
pre-eclampsia
preeclampsia
preed
preeing
preelection
pre-elizabethan
pre-embryo
preemergence
preemergent
preemie
preeminence
pre-eminent
preeminent
preeminently
preemphasis
preemployment
pre-empt
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/22 17:31:15