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	substratum n (pl substrata ) 1 level lying below another 下面的一层; 底层 a substratum of rock 底层岩石. 2 (fig 比喻) foundation; basis 基础; 根基 a substratum of truth in her story 她叙述中的事实根据.
随便看	overrate overrated overreach over-react over-reaction override overriding overrule overrun overseas oversee overseer over-sexed overshadow overshoe oversight over-simplification over-simplify oversleep overspill overstaffed overstate overstatement overstay overstep

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