stair
美 [ster] 
英 [steə(r)] 
- n.楼梯;梯级
 - 网络阶梯;一级;台阶
 
复数:stairs  
n.
step,tread,rung,staircase,stairway
stair
显示所有例句
1.  | [pl] 楼梯a set of steps built between two floors inside a building  | 
We had to carry the piano up three flights of stairs . 我们不得不抬着钢琴上了三段楼梯。  | |
The children ran up/down the stairs . 孩子们跑上╱跑下楼去。  | |
at the bottom/top of the stairs 在楼梯下端╱顶端  | |
He remembered passing her on the stairs . 他记得在楼梯上与她擦肩而过。  | 
2.  | [c] 梯级one of the steps in a set of stairs  | 
How many stairs are there up to the second floor? 上到第三层一共有多少磴楼梯?  |