柯林斯词典substructure /ˈsʌbˌstrʌktʃə/ 1. N a structure, pattern, etc, that forms the basis of anything 基礎 返回 substructure剑桥词典a firm structure that supports something built on top of it 下層結搆；下部建築 The explosion damaged the bridge , but the substructure remained intact . 爆炸摧燬了大橋，但橋墩仍完好無損。 返回 substructure