ㄉㄧㄉㄧㄊㄧˋdīdītì

  1. 殺蟲劑俗名學名乙烷結晶體化學性質穩定不易降解用作殺蟲劑容易造成汙染停止生產使用Dichlorodiphenyltrichloroethane,DDT)​

DDT (loanword)​, dichlorodiphenyltrichloroethane
dichlorodiphényltrichloroéthane