huzhanghua88
stair [stZE]n.楼梯While climbing up the stairs the old man always loses his breath.那老人上楼时总是气喘吁吁的。(楼梯的)一级He slipped on the stairs and put his ankle out.他在楼梯上滑了一跤, 踝关节脱臼了。
LiangJin0727
stair [stZE]n.楼梯While climbing up the stairs the old man always loses his breath.那老人上楼时总是气喘吁吁的。(楼梯的)一级He slipped on the stairs and put his ankle out.他在楼梯上滑了一跤, 踝关节脱臼了。
优质英语培训问答知识库