substructure

汉语翻译

n. 下部结构, 路基, 基础
【化】 子结构; 底部结构

词型变化

形容词:substructural 

英语解释

名词 substructure:

the basic structure or features of a system or organization同义词：infrastructurelowest support of a structure同义词：foundation, base, fundament, foot, groundwork, understructure