2. A colorless crystalline compound, C4H10N2, used as a hardener for epoxy resins, an antihistamine, and an anthelmintic. 对二氮已环一种无色晶体化合物,C4H10N2,用作环氧树脂的硬化物、抗组(织)胺剂和驱虫剂。
3. The antihistamine is one kind of anti-allergic effectiveness medicament ingredient, applies in many illness curative medicines. 抗组胺剂是一种具抗过敏效用的药剂成分,应用于不少病症的治疗药品。
英英解释
n.
1. a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting th