Protoxin
[医]原毒素, 强亲和毒素
🗣️ 情景例句
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
It's time to tell her the truth.
是该告诉她真相的时候了。