形容词
中文翻译：主要的
同义词：
['primary', 'primary-stage', 'primordial例句：1. The primary goal of the project is to improve efficiency.（项目的首要目标是提高效率。）']
例句：
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1. The primary goal of the project is to improve efficiency.
项目的首要目标是提高效率。
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2. The primary color of this flower is red.
这种花的主要颜色是红色。
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3. The primary school education system in China focuses on basic knowledge and skills.
中国的基础教育系统主要侧重于基础知识和技能的培养。