名词
中文翻译：床铺固定
同义词：
['bedrest', 'bedridden', 'in bed']
例句：
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1.She was bedfast for the past two weeks due to a severe illness.
她因为重病卧床两周了。
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2. The patient was bedfast for observation and recovery.
病人被留院观察和恢复。
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3. After surgery, she was bedfast for several days until her condition improved.
手术后，她卧床几天直到病情好转。