Riser
01
踢脚板, 楼梯踏步的垂直部分
the vertical component of a step in a staircase, providing the height between consecutive treads
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
risers
02
垂直管道, 立管
a vertical pipe in a building
03
起床的人, 早起者
a person who rises (especially from bed)



























