形容词
中文翻译：首要的
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.
该地区的主要小学拥有庞大的学生群体。
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3.The primary color of this fabric is red.
这种布料的主要颜色是红色。