Padds
[医][=photon-activated drug delivery system]光催化剂运载系统
🗣️ 情景例句
Are you all right?
你还好吗？
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
How do you spell Monday?
Monday怎么拼写呢？