英语词汇substratum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	substratum
释义	sub·stra·tumBrE /ˈsʌbstrɑːtəm/NAmE /ˈsʌbstreɪtəm/ noun ( plural sub·strata BrE /ˈsʌbstrɑːtə/ NAmE /ˈsʌbstreɪtə/ ) (specialist) a layer of sth, especially rock or soil, that is below another layer （尤指岩石或土壤的）下卧层；底土层
随便看	breaks wind break the back of break-the-back-of break the back of sth break the ice break-the-ice break the mold break the mold of break the mold (of sth) break the mould break the mould of break the mould (of sth) break the news break the news to break the news (to sb) breakthrough break through break through break through break-through breakthroughes breakthroughs breakthroughs' break through something break through sth

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