名词
中文翻译：基础
同义词：
['element', 'foundation']
例句：
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1.The rudimentary structure of the building is visible from the street.
这座建筑的原始结构从街上就能看到。
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2. The teacher explained the rudimentary concepts in a simple way.
老师用简单的方式解释了这些基本概念。
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3.The rudimentary tools used to build the house were made from wood and metal.
用来建造房子的基本工具是用木头和金属制作的。