Differin
[医]达芙文（阿达帕林、丙二醇和EDTA凝胶）<抗痤疮药>
🗣️ 情景例句
Change the light bulb, it's burnt out.
换一个灯泡吧，它烧坏了。
War makes thieves, and peace hangs them.
战争造成盗贼，和平把他们吊死。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。