| 词汇 | substructure |
| 释义 | substructure noun [ C ] uk/ˈsʌbˌstrʌk.tʃər/ us/ˈsʌbˌstrʌk.tʃɚ/ 下层结构;下部建筑 a firm structure that supports something built on top of it The explosion damaged the bridge, but the substructure remained intact. 爆炸摧毁了大桥，但桥墩仍完好无损。 |
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