形容词
中文翻译：主要的
同义词：
['primary', 'primary-grade例句：1. The primary goal of the project is to reduce carbon emissions.（该项目的首要目标是减少碳排放。）']
例句：
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1. The primary goal of the project is 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 in the area has a large student body.
该地区的小学拥有庞大的学生群体。
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3.The primary colors are red, blue, and yellow.
基本颜色是红色、蓝色和黄色。