名词
中文翻译：Unknown
同义词：
['act', 'actuate', 'perform', 'exercise', 'conduct', 'execute', 'carry out']
例句：
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1. The actor's performance was outstanding.
这位演员的表现非常出色。
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2. The company has been acting as a good neighbor to the community.
该公司一直以良好的邻里关系对待社区。
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3. He acted as an ambassador for his country during the Olympics.
他在奥运会期间担任了该国的大使。