Eag
abbr. e antigen e抗原
🗣️ 情景例句
the quarterback on our football team.
我们足球队的四分卫。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
It is.
是的。