形容词
中文翻译：主要的
同义词：
['first', 'foremost', 'primary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 reason for his absence was a family emergency.
他缺席的主要原因是一个家庭紧急情况。
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3. Primary school education is crucial for children's development.
小学教育对于儿童的发展至关重要。