名词
中文翻译：六百年纪念日
同义词：
['centennial celebration', 'centennial anniversary']
例句：
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1. The city held a centennial celebration to mark the 200th anniversary of its founding.
该市举办了一场庆祝活动，以纪念其成立200周年。
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2. The centennial anniversary of the country's independence was marked by a grand parade and speeches.
该国独立一百周年纪念活动盛大举行，并有演讲。
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3. The centennial anniversary of the discovery of electricity was celebrated with a special exhibition.
发现电的一百年纪念被特别展览所庆祝。