substructure
n. 底部构造；基础
形容词：substructural
近义词：infrastructure，groundwork，base，foundation，organization，structure，setup，arrangement，frame，preparation，seat，foot，understructure，fundament，
英英释义
Noun
- the basic structure or features of a system or organization
- lowest support of a structure;
"it was built on a base of solid rock" "he stood at the foot of the tower"
例句
用作名词(n.)
- Seepage is one of the ubiquitous problems in substructure work.地下工程结构渗漏是地下建筑物中普遍存在的问题。
- The substructure of national culture shouldn't be changed.不应当改变民族文化的基础。