stairs可数吗

stair是楼梯、阶梯的意思，是可数名词，复数是stairs.

例句

She took the stairs at a run.

她跑着上了楼梯。

She descended the stairs slowly.

她缓慢地走下楼梯。

We walked up a flight of stairs.

我们往上走了一段楼梯。

Nancy began to climb the stairs.

南希开始爬楼梯。

She climbed up the stairs.

她爬上了楼梯。

I waited at the top of the stairs.

我在楼梯顶端上等着。

He fell head first down the stairs.

他倒栽葱摔下楼梯。

He sat at the bottom of the stairs.

他坐在楼梯底部。