形容词
中文翻译：主要的
同义词：
['primary', 'chief', 'primary-stage例句：1. The primary goalof the project is to improve efficiency.（该项目的首要目标是提高效率。）2. The primary reason for hisabsence was a family emergency.（他缺席的主要原因是一个家庭紧急情况。）3. The primary method ofcommunication 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 goalof the project is to improve efficiency.
该项目的首要目标是提高效率。
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2. The primary reason for hisabsence was a family emergency.
他缺席的主要原因是一个家庭紧急情况。
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3. The primary method ofcommunication is through email.
主要的交流方式是通过电子邮件。