你好!纯洁pure 英[pjʊə(r)] 美[pjʊr] adj. 纯的; 单纯的; 纯真的; 干净的; prep. 清晰的，纯正的; [例句]In remote regions, the air is pure and the crops are free of poisonous insecticides.在偏远地区，空气很纯净，庄稼也不施用有毒的***虫剂。