名词
中文翻译：Unknown
同义词：
['tertiary stage', 'tertiary level']
例句：
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1. The tertiary stage of the plant is when it begins to produce flowers and fruits.
植物的第三阶段是开始产生花和果实的时候。
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2. In education, the tertiary level refers to the highest level of education available in a country orinstitution.
在教育中，第三级是指一个国家或机构可获得的最高教育水平。
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3.The tertiary industry is the third sector of the economy, which includes services like finance, healthcare, and tourism.
第三产业是经济中的第三个部门，包括金融、医疗和旅游等服务行业。