Substratum
01
底层语言, 语言影响
the linguistic influence of a less prestigious language on a dominant language in contact, resulting in the adoption or transfer of phonological, morphological, syntactic, or lexical features
02
下层, 底层
any stratum or layer lying underneath another
03
基质, 基础
a base or surface that provides support for an organism to grow or attach
例子
Barnacles often attach to the substratum of a ship's hull.
藤壶经常附着在船体的基质上。



























