Read Edit View history 烟碱 yānjiǎn nicotine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 烟碱/菸鹼 · yānjiǎn · nicotine 2026/03/04 烟碱 / 菸鹼 yānjiǎn nicotine nicotine 烟碱是烟草中主要的成瘾性物质。 noun created sense Mar 4, 2026, 02:25 AM created reference approved 烟碱/煙鹼 → 烟碱/菸鹼 (variant) 2026/03/04 烟碱 / 煙鹼 yānjiǎn 烟碱 / 菸鹼 yānjiǎn variant created reference Mar 4, 2026, 02:25 AM