名词短语
中文翻译：职责
同义词：
['duty', 'responsibility']
例句：
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1.The doctor's duty is to save lives.
医生的职责是拯救生命。
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2. Her job requires her to maintain high standards of quality control.
她的工作要求她保持高标准的质量控制。
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3.The policeman's duty was to protect the public safety.
警察的职责是保护公众安全。