riser
/ˈraɪzə(r)/noun
1
- with adj. a person who habitually gets out of bed at a particular time of the morning（习惯在早上固定时间）起床的人：
late risers always exasperate early risers.
迟起的人总是惹怒早起的人。
2
- a vertical section between the treads of a staircase楼梯踏步竖板。
3
- a vertical pipe for the upward flow of liquid or gas（液体或气体管道的）立管。
4
- a low platform on a stage or in an auditorium, used to give greater prominence to a speaker or performer（舞台上或礼堂里用来使演讲者或表演者更加突出的）低平台。
5
- a strip of webbing joining the harness and the rigging lines of a parachute or paraglider降落伞吊带; 滑翔伞吊带。