Padds
[医][=photon-activated drug delivery system]光催化剂运载系统
🗣️ 情景例句
They all work hard, without exception.
他们个个努力工作，无一例外。
He who rides a tiger is afraid to dismount.
骑虎者难下。
While they were talking it began to rain and Dimitri stayed in Aleko's house until the rain stopped.
就在他俩说话的时候，天下起了雨，迪米特里便呆在阿列科家里避雨，一直等到雨停为止。