substruction的翻译，读音
英/sʌb'strʌkʃən/
释义：
n. 基础, 下部结构, 下层建筑, 路基
n. Underbuilding; the foundation, or any preliminary
structure intended to raise the lower floor or basement of a building
above the natural level of the ground.
n. Underbuilding; the foundation, or any preliminary
structure intended to raise the lower floor or basement of a building
above the natural level of the ground.