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单词
ionone
释义
WordReference Random House Unabridged Dictionary of American English © 2024
i•o•none
(ī
′
ə nōn′),
USA pronunciation
n.
[
Chem.
]
Chemistry
a light-yellow to colorless, slightly water-soluble liquid that is either one or a mixture of two unsaturated ketones having the formula C
13
H
20
O, used chiefly in perfumery.
formerly trademark 1890–95
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更新时间:2026/1/21 6:07:46