名词
中文翻译：Unknown
同义词：
['labor', 'work', 'effort', 'exertion']
例句：
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1. The human labor required to build this bridge is immense.
建造这座桥所需的人力劳动是巨大的。
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2. The workers are putting in a lot of human labor to finish the project on time.
工人们正在付出大量的人力劳动以确保项目按时完成。
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3. The company's success can be attributed to the hard work and dedication of its human labor force.
该公司的成功可以归功于其员工的努力和奉献。