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杀虫剂。