| 单词 | ethanoic anhydride | 
| 释义 | Definition of ethanoic anhydride in English:ethanoic anhydridenoun Chemistry 
 OriginLate 19th century; earliest use found in Chemical News. Definition of ethanoic anhydride in US English:ethanoic anhydridenoun Chemistry 
 OriginLate 19th century; earliest use found in Chemical News.  | 
	
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