Endoantitoxin
[医] 内抗毒素(细胞)
🗣️ 情景例句
We usually ship the goods by regular liners.
我们一般是定期班轮装运货物。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
It's about my son Jim.
我想谈谈我儿子吉姆的事情。