Dichlorodiphenyltrichloroethane
[醫] 二氯二苯二氯乙烷, 滴滴滴, 二二二
??? 情景例句
Well, how're you been, Philip?
嗯 ，這些年來怎么樣， Philip？
Misfortunes test the sincerity of friends.
患難見友情。
At what time can we work out a deal?
我們什么時候洽談生意？