Are they是什么意思中文翻译

Are 是b动词，they是主语。

Are they...句式表示疑问，意思为：他们是……吗？

Are they...的句式中b动词提至主语they前表示疑问。Are they 与They are的用法区别举例如下：

1、What are they? They are cats. 他们是什么？他们是猫。

2、What are they? They are teachers. 他们是干什么的？他们是老师。