形容词
中文翻译：首要的
同义词：
['primary', 'chief', 'foremost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。）2. The primary reason for the delay was a lack of resources.（延误的主要原因是因为资源不足。）3. The primary method of communication is through email.（主要的交流方式是通过电子邮件。）']
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 the delay was a lack of resources.
延误的主要原因是因为资源不足。
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3. The primary method of communication is through email.
主要的交流方式是通过电子邮件。