pyridines 📖 中文释义 (pyridine 的复数) n.[化]嘧啶(治喘病用) 🧩 词形变化 原形 pyridine 📘 English Definition(英文释义) plural of pyridinen. a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal ← pyridine-tricarboxylic acid P 字母词表 pyridinitrile →