stairwells/ˈster.wel/名词(建筑物内的)楼梯井I always take the stairs instead of the elevator because I enjoy the natural light and fresh air in the airy stairwells of the office building.我总是选择走楼梯,而不是乘电梯,因为我喜欢在办公楼通风明亮的楼梯间享受自然光线和新鲜空气。想跟读,去练习