n.楼梯井( stairwell的名词复数 );
例句:
I want every elevator and stairwell secured.
我要保证每架电梯和所有楼梯都安全。
I ran into the stairwell once I heard the shooting.
我听到枪声就跑进了楼梯间
Ezra, I could hear you two yelling from the stairwell.
以斯拉我从楼梯间就听见你们吵了