circle是不是不可数名词

circle是可数名词，复数是circles.

You're moving in very exalted circles!

你这是出入于显贵要人的圈子呀！

We can speculate that the stone circles were used in some sort of pagan ceremony.

I put down the two red circles!

我放下了那两个红色的圆圈！

Maybe we're walking in circles.

也许我们在绕圈子。

Blind birds fly in circles.

眼瞎的鸟儿转圈飞。