| 单词 | 防水剂 |
| 释义 | 〔pyridine〕A flammable, colorless or yellowish liquid base, C5H 5N, having a penetrating odor and serving as the parent compound of many biologically important derivatives. It is used as a solvent and waterproofing agent and in the manufacture of various drugs and vitamins. 吡啶：可燃性的无色或黄色液体碱C5H 5N，具有刺激性气味，用于多种重要的生物衍生物的亲本混合物。用作溶剂或防水剂，并且用于各种药物和维生素的加工制造中 |
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