形容词
中文翻译：主要的
同义词：
['primary', 'primary-focused', 'primary-stage']
例句：
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1.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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2. The primary focus of the research was on developing a new drug.
研究的重点是开发一种新的药物。
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3. The primary stage of the competition is the preliminary round.
比赛的主要阶段是预选赛。