名词
中文翻译：床单
同义词：
['sheet', 'blanket']
例句：
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1.She had a comfortable bedsheet on her bed.
她床上铺着舒适的床单。
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2.The old man slept on the cold, hard floor with a thin bedsheet.
那位老人在冰冷的地板上，只盖着薄薄的床单睡觉。
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3. He spread out his bedsheets and started to work on his project.
他展开他的床单，开始着手做他的项目。