Read Edit View history 生物碱 shēngwùjiǎn alkaloid Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 生物碱/生物鹼 · shēngwùjiǎn · alkaloid 2026/03/04 生物碱 / 生物鹼 shēngwùjiǎn alkaloid alkaloid 咖啡因是一种常见的生物碱。 noun created sense Mar 4, 2026, 02:25 AM