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单词
asphaltene
释义
WordReference Random House Unabridged Dictionary of American English © 2024
as•phal•tene
(as fôl
′
tēn
or, esp. Brit.,
-fal
′
-),
USA pronunciation
n.
[
Chem.
]
Chemistry
any of the constituents of a bitumen, as asphalt, that are insoluble in pentane, hexane, or naphthalene. Cf.
petrolene.
asphalt
+ -
ene
1830–40
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更新时间:2025/9/21 17:10:40