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单词
acetic anhydride
释义
acetic anhydride
noun
:
a colorless mobile liquid (CH
3
CO)
2
O with a pungent odor and lacrimatory and vesicant action used in organic synthesis, especially in making acetyl derivatives (as cellulose acetate and aspirin) and in condensations
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portocaval
port of call
port of discharge
port of entry
port-of-spain
portoise
portolan
portolano
porto-novo
port orford cedar
porto rican
portrait
portrait
portrait attachment
portrait bust
portraitist
portrait lens
portraiture
portray
portrayal
portrayer
portrayment
portreeve
portress
port risk insurance
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更新时间:2025/6/18 1:51:15