形容词
中文翻译：主要的
同义词：
['primary', 'fundamental', 'primary-stage']
例句：
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1.The primary function of the brain is to process information.
大脑的主要功能是处理信息。
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2. The primary 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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3. Primary school education is crucial for a child's development.
小学教育对于孩子的发展至关重要。