释义 |
滴滴涕dīdītì杀虫剂,成分是二氯二苯三氯乙烷,白色晶体。杀虫效力大,效用持久。通常用的有粉剂、乳剂和油溶剂。{DDT; insecticide dichloro-diphenyl-trichloro-ethane, a white crystal that is very potent and has a long-lasting effect, usu. used in powder or emulsion form, or as an oil-soluble preparation} |