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单词
methylnaphthalene
释义
WordReference Random House Unabridged Dictionary of American English © 2024
meth•yl•naph•tha•lene
(meth′əl naf
′
thə lēn′, -nap
′
-),
USA pronunciation
n.
[
Chem.
]
Chemistry
a compound, C
1
1
H
1
0
, whose alpha isomer, a colorless liquid, is used in determining cetane numbers.
methyl
- +
naphthalene
1880–85
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died
die down
diefenbaker
dieffenbachia
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更新时间:2025/12/9 11:49:04