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单词
substitution reaction
释义
WordReference Random House Unabridged Dictionary of American English © 2024
substitu
′
tion reac′tion,
[
Chem.
]
Chemistry
the replacement of an atom or group of atoms in a compound by another atom or group.
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provincialize
provincially
provincial police
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provisorily
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更新时间:2025/7/31 12:04:39