riser

US /ˈraɪ.zɚ/
UK /ˈraɪ.zɚ/
"riser" picture
1.

起床者, 早起者

a person who gets out of bed at a specified time

:
She's an early riser, always up before dawn.
她是个早起者,总是在黎明前起床。
He's a late riser on weekends.
他周末是个晚起者
2.

立板, 楼梯立面

a vertical part of a stair or step

:
The old staircase had a broken riser.
旧楼梯有一个破损的立板
Each riser was carefully measured.
每个立板都经过仔细测量。
3.

立管, 垂直管道

a vertical pipe or duct

:
The building's main water riser needed repair.
大楼的主水立管需要维修。
They installed a new electrical riser.
他们安装了一个新的电立管