形容词
中文翻译：Unknown
同义词：
['basic', 'fundamental例句：1. The elementary school is located in the city center.（这所小学位于市中心。）2. The basic principles of physics are well-known.（物理学的基本原理众所周知。）']
例句：
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1. The elementary school is located in the city center.
这所小学位于市中心。
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2. The basic principles of physics are well-known.
物理学的基本原理众所周知。
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3.The teacher explained the basic concepts of the subject clearly.
老师清晰地解释了这个科目的基本概念。