superimposed valley是什么意思，superimposed valley的翻译，superimposed valley音标、读音、用法和例句

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superimposed valley是什么意思，superimposed valley的翻译，superimposed valley音标、读音、用法和例句_流逝汉英词典

superimposed valley

基本解释

专业释义

地球科学