Heteroimmunization
异种免疫(作用)
🗣️ 情景例句
Sorry, I just like to watch almost all kinds of ball games. I'm strictly spectator.
对不起，我仅仅喜欢观看几乎所有的球类比赛，我是个十足的观众。
See you later!
到时候见啦！
Excuse me. What's the time, please?
对不起，请问几点了？