- 滚，滚动：
The dog is rolling on the lawn.
狗在草坪上打滚。
- (眼泪等)滚落：
Lucy's tears rolled down her face.
露西的眼泪从她的脸上滚了下来。
- (车辆)行驶；用车运送：
The train was rolling at high speed.
火车在高速行驶。
Our school bus rolled along the highway.
我们的校车在公路上行驶。
- 盘旋：
Dark smoke was rolling up from the chimney.
黑烟从烟囱里袅袅上升。
- (岁月等)流逝；(时间)不知不觉地到来：
The years are rolling on.
岁月在流逝。
Spring rolled around again.
春天不知不觉地又来到了。
- (天体等)循环运行：
The planets roll on their courses.
行星沿轨道运行。
- 翻滚；奔腾；顺流而下：
A black car rolled down the hill.
一辆黑色汽车从山坡上翻滚下来。
Like the Yellow River,time keeps rolling along.
时间像黄河一样不断滚滚奔腾向前。
The little boat rolled down the river,with the wind behind it.
小船借着风在后面的推动，顺流而下。
- (地势等)起伏；伸展：
The hills rolled toward the horizon.
地平线上山峦起伏。
- (雷、鼓等)发出隆隆声；(鸟等)啭鸣：
The thunder rolled in the distance.
远方雷声隆隆。
- [美国英语]【橄榄球】横移突破，向场边跑动[全称roll out]
- [古语]漫步；徘徊；流浪
- 卷；绕；裹；被烫平：
Hedgehogs can roll into balls.
刺猬能滚成一团，形成圆球。
- (眼球等)转动，旋转：
Her eyes were rolling with fear.
她吓得眼珠上下打转。
- (船只等)颠簸；摇晃：
The ship was rolling heavily to and fro on the rough seas.
船在汹涌的波涛中晃来晃去很不平稳。
- 蹒跚而行：
The old man rolled up to me.
这位老人步履蹒跚地向我走来。
He is rolling drunk.
他醉得东倒西歪。
- 辗；轧；擀：
The dough is so wet that it won't roll.
面团水太多，不能擀。
- (话语)滔滔不绝：
Words of gratitude were rolling from her lips.
她在滔滔不绝地讲着感激的话。
- (机器)运转；开机；(电影等)开拍：
Their electric pumps are rolling twelve hours a day.
他们的电泵每天运转12小时。
Let them roll!
开机!(拍电影或电视剧时用语)
- [口语]富有；拥有(常与in连用)：
They are rolling in money and property.
他们拥有大量的钱财。
She is rolling in luxury.
她过着奢华的生活。
- [口语]出发；开始行动：
Hurry up.It's time to roll.
快点，该出发了。
- [口语]笑声不止；捧腹大笑：
They were rolling with laughter.
他们笑得前仰后合。
His jokes kept us rolling about all evening.
他的笑话使我们捧腹大笑了一晚上。