Radiorace
辐射亚种
🗣️ 情景例句
OK. Let's see.
好 ，让我们看看。
I know the boy whose father is a captain.
我知道那个男孩的父亲是船长。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？