Xenoantigen
n. [生]异种抗原
🗣️ 情景例句
No? You didn't take it?
没有？ 你没有接受？
The story Sam told wasn't very funny.
萨姆的故事一点意思也沒有。
I am busy. How is your business？
我很忙。你的生意做得怎样？