Antigens
n. 抗原( antigen的復數形式 )
??? 情景例句
and Mrs. Montefiore has reserved the honeymoon suite for us. Montefiore
太太為我們保留了蜜月套房。
We waved until the car was out of sight.
我們揮手直到汽車消失。
You are kidding.
你開玩笑吧。