back squab是什么意思，back squab的翻译，back squab音标、读音、用法和例句

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back squab是什么意思，back squab的翻译，back squab音标、读音、用法和例句_菜篮子兴趣思朗文词典

back squab

基本解释

专业释义

交通运输工程