名词
中文翻译：Unknown
同义词：
['butt cushion', 'butt pad', 'butt rest例句：1. He sat on the couch with his bumrap in his lap.（他坐在沙发上，屁股垫子放在腿上。）']
例句：
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1. He sat on the couch with his bumrap in his lap.
他坐在沙发上，屁股垫子放在腿上。
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2.She needed a butt cushion to sit comfortably during her long flight.
她需要一个臀部垫子来在长途飞行中舒适地坐着。
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3.The butt cushion was too soft and made him sink into the couch.
这个臀部垫子太软了，让他陷进沙发里。