Read Edit View history 联氨 lián'ān hydrazine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 联氨/聯氨 · lián'ān · hydrazine 2026/03/04 联氨 / 聯氨 lián'ān hydrazine hydrazine 联氨常用作火箭推进剂。 created sense Mar 4, 2026, 02:25 AM