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单词
onium compound
释义
onium compound
onium compound
(
ˈəʊnɪəm
)
or
onium salt
n
(Chemistry)
chem
any salt in which the positive ion (
onium ion
) is formed by the attachment of a proton to a neutral compound, as in ammonium, oxonium, and sulphonium compounds
[C20: from (amm)onium]
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one-up (someone)
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on every corner
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更新时间:2026/9/26 5:12:51