Read Edit View history 单键 dānjiàn single bond Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 单键/單鍵 · dānjiàn · single bond 2026/03/04 单键 / 單鍵 dānjiàn single bond single bond (chemistry) 烷烃分子中碳原子之间以单键结合。 created sense Mar 4, 2026, 02:25 AM