形容词
中文翻译：忙碌的
同义词：
['hectic', 'frenetic', 'engrossed', 'preoccupied']
例句：
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1. She is always busy with her work.
她总是忙于工作。
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2. The restaurant was so busy that we had to wait for an hour.
这家餐厅太忙了，我们等了一个小时。
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3. He is very busy these days, but he still manages to find time for exercise.
他最近很忙，但还是设法抽出时间来锻炼。