Exoantigen
外抗原
🗣️ 情景例句
The house is so alive with him here.
有了他在这儿， 屋里头生气蓬勃。
So many countries, so many customs.
一个国家有一个国家的风俗。
But it's going to be a very tiring five years for me.
不过对我来说，这将是非常累人的五年。