acetic anhydride

• n. [化]乙酸酐；无水醋酸

英英释义

Noun:

1. a compound that is needed in order to refine opium into heroin

例句

用作名词 (n.)

1. The Beckmann solution consists of acetic acid, hydrochloric acid and acetic anhydride, and was widely used to catalyze the rearrangement.
   贝克曼溶剂被广泛用来催化重排反应，其实际成分为乙酸，盐酸和乙酸酐。