好词典

roller

UK //ˈrəʊ.lər//US //ˈroʊ.lɚ//

词源

源自中古英语 'rollere',与动词 'roll' 相关,最早可追溯至古法语 'rolle',最终源自拉丁语 'rotula'(小轮子)。

noun

❶ 一种圆柱形的物体,可以滚动或用于滚动其他物体。常用于建筑、运输或机械中。

“The workers used a heavy roller to flatten the road.”

(工人们用重型压路机压平道路。)

“She put her hair in rollers to create curls.”

(她用卷发筒卷头发以制造卷曲效果。)

❶ 指一种鸟类,如欧洲的蓝胸佛法僧,因其飞行时翻滚的动作而得名。

“We spotted a roller perched on the tree branch.”

(我们看见一只佛法僧停在树枝上。)

“The roller is known for its acrobatic flight displays.”

(这种鸟以飞行时的特技表演而闻名。)

同义词:cylinder, wheel, drum, spool, pulley

adjective

❶ 与滚动或滚筒有关的,常用于描述特定类型的设备或机械。

“The roller skate wheels need to be oiled regularly.”

(轮滑鞋的轮子需要定期上油。)

“He bought a new roller bag for his business trips.”

(他为商务旅行买了一个新的滚轮包。)

同义词:rolling, rotating, cylindrical

常见短语

roller coaster — 指游乐园中的过山车,也比喻情绪或经历的剧烈起伏。

“Their relationship has been an emotional roller coaster.”

(他们的关系就像坐过山车一样情绪起伏。)

roller blind — 一种可以卷起的窗帘,通过转动侧面的装置来升降。

“She pulled down the roller blind to block the sunlight.”

(她拉下卷帘以遮挡阳光。)