名词
中文翻译：疲劳
同义词：
['weariness', 'exhaustion', 'tiredness']
例句：
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1.She was so exhausted after a long day at work.
她工作了一整天后非常疲惫。
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2.The marathon runners were all exhausted by the end of the race.
马拉松跑者在比赛结束时都筋疲力尽。
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3.After hours of hard work, she felt completely worn out.
经过长时间的努力，她感到完全筋疲力尽。