名词短语
中文翻译：无心滚动
同义词：
['无意义地滚动例句：1. The car was mandrelless rolling down the road.（汽车在公路上无目的地行驶。）']
例句：
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1. The car was mandrelless rolling down the road.
汽车在公路上无目的地行驶。
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2. He was mandrelless rolling around in his room.
他在房间里无目的地转来转去。
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3.The old man was mandrelless rolling in his bed.
老人在床上无目的地翻滚。