形容词
中文翻译：基本的
同义词：
['primary', 'fundamental']
例句：
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1. Elementary education is the foundation of learning.
基础教育是学习的基础。
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2. The teacher explained the concept of elementary mathematics to the students.
老师向学生们解释了基础数学的概念。
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3. The child was taught the basics of reading and writing in the first grade.
这个孩子在一年级时学习了阅读和写作的基本知识。