形容词
中文翻译：Unknown
同义词：
['basic', 'fundamental', 'primary']
例句：
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1.The elementary school teacher is responsible for teaching the basics of reading and writing.
小学教师负责教授阅读和写作的基本知识。
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2.The basic principles of physics are the foundation of all scientific knowledge.
物理学的基本原理是所有科学知识的基础。
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3. The elementary school students learned about the basics of arithmetic in class today.
今天，小学生在课堂上学习了算术的基本知识。