名词
中文翻译：沙发滚轴
同义词：
['sofa roll', 'sofa cushion例句：1. She bought a new couch roll to replace her old one.（她买了一个新的沙发垫来替换她的旧的。）']
例句：
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1. She bought a new couch roll to replace her old one.
她买了一个新的沙发垫来替换她的旧的。
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2.The couch roll was so soft and comfortable that it made the whole room feel cozy.
这个沙发垫太软了，很舒服，让整个房间都感觉温馨。
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3.We decided to use the couch roll as a makeshift bed for the night.
我们决定用这个沙发垫作为临时床过夜。