n.(建筑物内的)楼梯 复数：staircases 牛津词典 noun （建筑物内的）楼梯a set of stairs inside a building including the posts and rails (= banisters ) that are fixed at the sidea marble/stone/wooden staircase大理石 / 石头 / 木楼梯 ...

发布时间：2025-11-01 浏览量：4