Read Edit View history 肼 jǐng hydrazine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 肼 · jǐng · hydrazine 2026/03/04 肼 jǐng hydrazine hydrazine 肼在航天工业中常被用作火箭燃料。 punctuation created sense Mar 4, 2026, 02:25 AM