英语词汇substratum的意思、用法及释义-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	settler settle (sb) in/into sth set to set-to set-up seven seven- seventeen seventeenth seventh seventieth seventy seventy-eight sever several severally severance severance pay severe severely severity sew sewage sewage farm sewage works

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