习惯用语below [down] stairs1.房子的地下室2.在仆人住的地方3.楼梯的底层go to [down] stairs1.上[下]楼特殊用法circular stairs1.螺旋楼梯cockle [corkscrew] stairs1.【建】盘(旋楼)梯columnated window stairs1.柱支楼梯disappearing stair1.隐梯dog-legged stair1.层间双折楼梯escape stair1.太平梯fixed stair1.固定扶梯landing stairs1.登陆跳板moving stair1.活动阶梯, 阶梯式自动电梯newel stairs1.盘旋扶梯piedmont stair1.【地质】山麓梯级platform stair1.平台楼梯refuge stairs1.安全梯, 太平梯spiral[geometrical] stairs1.螺旋式楼梯travelling stair1.移动梯, 自动梯winding stair1.旋梯