柯林斯詞典substructure /?s?b?str?kt??/ 1. N a structure, pattern, etc, that forms the basis of anything 基礎(chǔ) 返回 substructure劍橋詞典a firm structure that supports something built on top of it 下層結(jié)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(wú)損。 返回 substructure