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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.
随便看
airspeed indicator
air-spray
air-sprayed
air sprayer
air spring
air stack
air station
airstream
air strike
airstrip
air-superiority
air switch
air system
airt
air taxi
air tee
air terminal
airtight
airtightly
airtightness
airtime
air-to-air
air-to-surface
air traffic
air-traffic control
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更新时间:2026/6/22 14:39:03