名词
中文翻译：重负
同义词：
['burden', 'responsibility', 'burdensome task']
例句：
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1. The heavyload of work made him feel exhausted.
繁重的工作使他感到精疲力尽。
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2.He had to bear the heavy load of responsibility for the project.
他不得不承担项目的重大责任。
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3. The heavy load of taxes is a constant source of stress for many small businesses.
沉重的税收负担是许多小企业持续的压力来源。