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单词
petrolene
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pet•ro•lene
(pe
′
trə lēn′),
USA pronunciation
n.
Chemistry
any of the constituents of a bitumen, as asphalt, that are soluble in pentane, hexane, or naphthalene. Also called
malthene.
Cf.
asphaltene.
petrol
(
eum
) + -
ene
1830–40
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prying
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prytaneum
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przewalski's horse
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précieux
précis
prévenance
prévert
prévost
prévost d'exiles
prêt-à-porter
príncipe
p.s.
ps.
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更新时间:2025/11/26 9:45:37