Immunogens
(immunogen 的复数) n. 免疫原
🗣️ 情景例句
I should have quit while I was ahead.
我应该见好就收。
What are you doing next week?
下周你干什么？
They look around ,but Li Mei did not wait for their thanks.
他们看看周围--但刘梅没有等他们感谢就走了。