DDT
n.(名词)A colorless contact insecticide, C4H 9Cl 5, toxic to human beings and animals when swallowed or absorbed through the skin. It has been banned in the United States for most uses since 972. 滴滴涕:一种无色的、经接触传递的杀虫药剂,C4H 9Cl 5,当吞食或被表皮吸收时对人类和动物有毒。自从972年以来,在美国许多应用上已被禁用
来源:d(ichloro)d(iphenyl)t(richloroethane) d(ichloro)d(iphenyl)t(richloroethane)