Alexofixagin
[医] 补体结合抗原
🗣️ 情景例句
It's good that you went back.
你回去是对的。
What has the captain ordered us to do?
船长命令我们做那些事？
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。