动词
中文翻译：滚动
同义词：
['roll', 'roll around', 'roll over']
例句：
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1. The car was so heavy that it couldn't be moved by one person.
这辆车太重了，一个人搬不动。
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2. The children were rolling on the grass in the park.
孩子们在公园里滚草皮。
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3. The old man rolled over in his sleep and died.
老人在睡梦中翻滚着死去。