Protoxins
(protoxin 的复数) [医]原毒素, 强亲和毒素
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
How are you feeling today?
今天你觉得舒服吗？
How soon can you have your product ready?
你们多久才可以把产品准备好呢？