understructure ['ʌndəstrʌktʃə]
参考词典中understructure的常规释义：
基本释义
- 底座结构; 下层结构
英英解释
1个名词解释
- lowest support of a structure
[同] foot, foundation, fundament, groundwork, base, substructure, understructure
[例]- it was built on a base of solid rock
- he stood at the foot of the tower
点击查看……- lowest support of a structure
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