形容词
中文翻译：主要的
同义词：
['primary', 'fundamental', 'primary-stage例句：1. The primary focus of the project is to improve the efficiency of production.（该项目的首要目标是提高生产效率。）']
例句：
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1. The primary focus of the project is to improve the efficiency of production.
该项目的首要目标是提高生产效率。
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2. The primary function of a computer is to process and store information.
计算机的主要功能是处理和存储信息。
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3. The primary reason for the delay was due to the unexpected weather conditions.
延误的主要原因是由于意外的天气条件。