动词短语
中文翻译：保持好几个小时
同义词：
['stay up', 'stay awake', 'keep up']
例句：
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1.She decided to keep good hours after work.
她决定下班后保持好几个小时。
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2.He kept good hours until midnight.
他直到午夜都保持好几个小时。
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3. The doctor advised her to keep good hours to avoid insomnia.
医生建议她保持好几个小时以避免失眠。