Read Edit View history 酐 gān anhydride Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 酐 · gān · anhydride 2026/03/04 酐 gān anhydride anhydride 乙酸酐是一种常用的化学试剂。 created sense Mar 4, 2026, 02:25 AM