roll over
collocation翻身；翻滚
The dog rolled over to show its belly.
狗翻过身来露出肚子。
滚动
rolling — present participle of roll
先理解核心含义，再看它在真实句子里的用法。
滚动
to move over a surface by turning over and over
The ball rolled down the hill quickly.
球快速地滚下了山。
To bind or involve by winding, as with a bandage; to enwrap; often with up.
To pour or trickle.
To tumble in gymnastics; to do a somersault.
快速连续地敲击,如击鼓；擂鼓。
To beat with rapid, continuous strokes, as a drum; to sound a roll upon.
roll
Base
原形
rolls
3rd person
第三人称单数
rolling
-ing
现在分词
rolled
Past
过去式
rolled
Past participle
过去分词
The ball rolls down the hill.
球滚下山丘。
She rolled the dough into a thin sheet.
她把面团擀成薄片。
The dog is rolling on the grass.
狗正在草地上打滚。
规则动词，过去式和过去分词加-ed。
She rolls the dough into a thin sheet for the pie.
她把面团擀成薄片来做馅饼。
He rolled the dice and got a six.
他掷了骰子，得到了六点。
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Missing: Usage patterns
Complete this area with usage patterns.
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翻身；翻滚
The dog rolled over to show its belly.
狗翻过身来露出肚子。
卷起；卷成筒
He rolled up the map after reading it.
他看完地图后把它卷了起来。
沿着……滚下
The ball rolled down the hill.
球滚下了山。
擀薄；铺开
Roll out the pastry and cut it into circles.
把面团擀薄，切成圆形。
在地上打滚；翻滚
The children rolled around on the lawn, laughing.
孩子们在草地上打滚嬉笑。
随遇而安；从容应对困难
Starting a new job is tough, but you have to roll with the punches.
开始一份新工作很难，但你必须随遇而安。
运气正旺；连战连捷
She's on a roll and has won three games in a row.
她手气正旺，连续赢了三场比赛。
撸起袖子准备大干一场
It's time to roll up our sleeves and get to work.
是时候撸起袖子干活了。
汽车人，出发！
Optimus Prime, leader of the Autobots, says this to his team before they move into action in the Transformers movies and animated series.
《变形金刚》电影和动画系列中，汽车人领袖擎天柱在行动前对队友说这句话。
贝多芬，让位吧！
A famous line from Chuck Berry's 1956 song 'Roll Over Beethoven', later covered by The Beatles, calling for rock and roll to take over from classical music.
这是查克·贝里1956年歌曲《贝多芬，让位吧》中的名句，后来披头士乐队翻唱，呼吁摇滚乐取代古典音乐。
Use rolling naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想记忆：roll 里的 o 像一个圆球，双 l 像它滚过的轨迹，球滚起来就是 roll。
语域：neutral 常见场景：日常动作、体育运动、机械/物理 这里取“滚动、翻滚”等基本义，属于通用中性表达，日常口语和书面语都常用；在体育、机械或物理等具体语境中也很自然。若指“痛打、抢劫”等俚语义，则多用于非正式口语，需注意区分。
以上六个词都与 roll 押韵，都含 /oʊl/ 音。注意形近词 doll /dɑːl/（英式 /dɒl/）发音不同，不押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.