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单词
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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unpolitely
unpolitic
unpolled
unpopular
unpopularity
unpopularly
unposed
unpotted
unpracticability
unpracticable
unpracticableness
unpracticably
unpractical
unpracticality
unpractically
unpracticalness
unpracticed
unpractised
unprecedented
unprecedentedly
unprecedentedness
unpredictability
unpredictable
unpredictableness
unpredictably
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更新时间:2025/11/8 1:48:27