英语词汇“understratum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	understratum
释义	understratum un·der·stra·tum U0060000 (ŭn′dər-strā′təm, -străt′əm)n. pl. un·der·stra·ta (-strā′tə, -străt′ə) or un·der·stra·tums A substratum. understratum (ˈʌndəˌstrɑːtəm) n, pl -ta (-tə) or -tums (Physical Geography) the layer of soil underneath the soil on the surface; a substratum or subsoil understratum understratum (ŭn′dər-strā′təm, -străt′əm)n. pl. under·strata (-strā′tə, -străt′ə) or under·stratums A substratum.
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understratum