形容词
中文翻译：主要的
同义词：
['primary', 'primary-grade', 'primary-stage']
例句：
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1. Theprimary goal of the project was to reduce carbon emissions.
该项目的首要目标是减少碳排放。
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2.The primary school is located in the center of the city.
小学位于市中心。
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3. The primary color of this flower is red.
这种花的主要颜色是红色。