形容词
中文翻译：Unknown
同义词：
['subordinate', 'secondary', 'auxiliary']
例句：
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1.The primary goal of the project is to improve efficiency.
这个项目的主要目标是提高效率。
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2. The secondary school students are preparing for the entrance exam.
中学生正在为升学考试做准备。
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3. The auxiliary system can assist in the operation of the machine.
辅助系统可以协助机器的操作。