roller

US /ˈroʊ.lɚ/
UK /ˈroʊ.lɚ/
"roller" picture
1.

滚筒, 压路机

a cylinder that rotates about a central axis and is used in various machines and devices to move, flatten, or crush something

:
The road construction crew used a heavy roller to compact the asphalt.
筑路队使用重型压路机压实沥青。
She used a paint roller to quickly cover the large wall.
她用油漆滚筒快速粉刷了大面积的墙壁。
2.

滑轮手, 滑冰者

a person who roller-skates or rollerblades

:
The experienced roller glided effortlessly through the park.
经验丰富的滑轮手在公园里轻松滑行。
She joined a group of urban rollers for a city tour.
她加入了一个城市滑轮手团体进行城市观光。