名词
中文翻译：次要的
同义词：
['subordinate', 'secondary', 'tertiary']
例句：
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1.The second-grade students are learning to read and write in class.
二年级的学生正在课堂上学习阅读和写作。
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2.The second-generation entrepreneur is taking over the family business.
第二代企业家接管了家族企业。
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3. The secondary school offers a wide range of courses for students.
中学为学生提供了广泛的课程选择。