Padds
[医][=photon-activated drug delivery system]光催化剂运载系统
🗣️ 情景例句
I'm calling to ask you some questions about Susan.
我打电话是想问一些关于苏珊的事。
He that gains well and spends well needs no account book.
收支正当，无须记帐。
Life on a desert island is wretched.
认为荒岛生活很可怕，