Isophil antigen
[医] 同种抗原
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
You must be green to believe that!
你真幼稚，竟然相信那个。
When the phone rang, I was painting upstairs.
当电话铃响的时候，我在楼上画画。
Hello, Li Lei.
你好，李磊！