名词
中文翻译：角色
同义词：
['part', 'function', 'position', 'role']
例句：
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1. The actor played a crucial role in the film.
这位演员在电影中扮演了关键角色。
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2. He is known for his leadership role in the company.
他因在公司中的领导作用而闻名。
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3. The president's role as head of state is to lead the country.
总统作为国家元首的角色是带领国家。