名词
中文翻译：首领
同义词：
['leader', 'head', 'chieftain', 'monarch']
例句：
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1.The chief of the police department is responsible for enforcing the law.
警察局长负责执行法律。
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2. The chief executive officer is in charge of the company's day-to-day operations.
首席执行官负责公司的日常运营。
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3. The chief scientist has just announced the discovery of a new species of plant.
首席科学家刚刚宣布发现了一种新的植物物种。