单词 | substructure |
释义 | substructure UK ['sʌbˌstrʌk.tʃər] US [-tʃɚ] noun countable ■a firm structure which supports something built on top of it 下层结构;下部建筑 •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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