Read Edit View history 正丁醚 zhèngdīngmí butyl ether Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 正丁醚 · zhèngdīngmí · butyl ether 2026/03/04 正丁醚 zhèngdīngmí butyl ether butyl ether 正丁醚常用作有机合成中的溶剂。 created sense Mar 4, 2026, 02:25 AM