Hantigen
鞭毛抗原
??? 情景例句
I enjoy camping.
我喜歡露營。
Her name has slipped from my mind.
我想不起她的名字了。
Just a minute, please. I'm sorry, he's not here right now. Can I ask who's calling?
請稍等。對不起，他現(xiàn)在不在這兒。請問你是哪位？