名词
中文翻译：Unknown
同义词：
['burden', 'heavy labor', 'burdensome work']
例句：
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1. He has been working hard to finish the project on time.
他一直在努力按时完成这个项目。
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2. She is responsible for the heavy workload of the department.
她负责部门繁重的工作量。
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3. The heavy workload made it difficult for him to concentrate on his studies.
繁重的工作量使他难以集中精力学习。