形容词
中文翻译：基本的
同义词：
['basic', 'primitive']
例句：
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1.The elements of the problem were clear to him.
这个问题的基本要素对他来说是清楚的。
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2.The primitive tools used by our ancestors were very crude.
我们祖先使用的原始工具非常粗糙。
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3. The basic principles of physics are still widely accepted today.
物理的基本原理今天仍然被广泛接受。