stair中文解释
n,楼梯，阶梯；[建]梯级,同近 n,楼梯，阶梯；[建]梯级,同近的英语怎么说
stair例句We walked up four flights of stairs (= sets of stairs ) ..我们往上走了四段楼梯。
stair英语解释楼梯，阶梯；梯级英释nna set of steps built for going from one level of a building to another
stair短语和解释below stairs,在地下室；在楼下.短语
