• n. [机] 滚筒；[机] 滚轴；辊子；滚转机
• n. (Roller)人名；(英、德、俄、匈、罗、捷、瑞典)罗勒；(法)罗莱

来自 roll,卷，滚动。

roller (n.)

late 13c., "thing that rolls;" early 15c., "rolling pin," agent noun from roll (v.). Meaning "hair-curler" is attested from 1795. Roller derby is from 1936 (see derby); roller hockey from 1926. Disparaging religious term holy roller is attested from 1842, American English, from the alleged rolling in the church aisles done by those in the Spirit.

1. A boy of about ten came up on roller-skates.

一个10岁左右、脚蹬旱冰鞋的男孩滑了过来。

来自柯林斯例句

2. The craze for roller skating spread throughout the U.S.

滑旱冰在全美风靡一时。

来自柯林斯例句

3. I've been on an emotional roller-coaster since I've been here.

自从我到了这里，情绪就起伏不定。

来自柯林斯例句

4. The last few weeks have been a real roller coaster.

过去的几个星期，形势真是变幻莫测。

来自《权威词典》

5. a pair of roller skates

一双旱冰鞋

来自《权威词典》