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substructure
英汉字典
英英字典
解释
底部构造;
基础工事;
基础;
同义
infrastructure
substructure
词性
n
解释
the basic structure or features of a system or organization
示例
None
同义
foot
foundation
fundament
groundwork
base
understructure
substructure
词性
n
解释
lowest support of a structure
示例
it was built on a base of solid rock|he stood at the foot of the tower