形容词
中文翻译：次要的
同义词：
['subordinate', 'secondary', 'auxiliary', 'supplementary']
例句：
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1. The primary goal of the project is to improve efficiency.
该项目的首要目标是提高效率。
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2. Secondary schools are often smaller and less prestigious than their primary counterparts.
私立学校通常比公立学校小，不那么有名。
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3. The secondary school students were given a test on the topic.
中学生被要求就这个主题进行测试。