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retaining wall英英字典_retaining wall剑桥英语解释_retaining wall柯林斯英文解释_歐米惠必应词典
歐米惠必应词典

retaining wall

R 开头单词

柯林斯词典

    retaining wall (retaining walls)

  • 1. N-COUNT A retaining wall is a wall that is built to prevent the earth behind it from moving. 護牆; 擋土牆

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