ddt

• 一种合成杀虫剂，学名二氯二苯三氯乙烷，在20世纪中期被广泛使用，但因对动物和人类具有毒性，现已在许多国家被禁用。

An abbreviation for a synthetic insecticide that was widely used in the mid-20th century but is now banned in many countries due to its toxicity to animals and humans.

不可数 · 专有名词

1. DichlorodiphenyltrichloroethaneC1formalscientific

   A synthetic chemical compound once widely used as an insecticide in agriculture and for disease control, but later banned in many countries due to its persistence in the environment and toxicity to wildlife and humans.

   滴滴涕

   • DDT was extensively used during the mid-20th century to combat malaria-carrying mosquitoes.
   • The ban on DDT in the United States took effect in 1972 after environmental concerns were raised.
   • Residues of DDT can still be found in soil and water decades after its application.

   同义词dichlorodiphenyltrichloroethane