名词
中文翻译：打盹的滚轮
同义词：
['sleeper', 'napper', 'napping device']
例句：
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1.The car has a nap roller installed in the back seat for passengers to rest their heads.
这辆车在后座安装了打盹滚轮，供乘客休息头部。
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2.The baby is sleeping soundly on the nap roller, enjoying its peaceful nap.
婴儿正舒适地躺在打盹滚轮上，享受着它的安静午睡。
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3.The elderly woman prefers to nap on the sofa with her favorite book, using the nap roller as a support.
这位年长的女士喜欢在她的沙发上打盹，用她最喜欢的书作为支撑，使用打盹滚轮。