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 work and rarely has time for socializing.
她总是忙于工作，几乎没有时间社交。
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2. The library is usually very busy during the weekends.
图书馆在周末通常非常忙。
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3. He was so busy that he forgot to finish his homework before bedtime.
他太忙了，以至于他在睡觉前忘了完成作业。