1.【化】狄氏剂,氧桥氯甲桥萘
1.an insecticide based on a chlorinated naphthalene derivative, now widely banned.
1.Some chlorinated hydrocarbons are used as insecticides, e. g. aldrin, dieldrin, and DDT.
一些氯代烃类被用来作杀虫剂。如艾氏剂、狄氏剂和DDT。