单词乎

substratum

音标['sʌb'streitəm]

汉语翻译

n. 基础, 根据, 下层, 基层, 基质, 培养基, 胶层
【计】 基底
【医】 酶作用物, 酶解物, 底质; 下层, 基层, 低层

词型变化

形容词:substrative 名词复数:substrata 

英语解释

名词 substratum:

  1. a surface on which an organism grows or is attached
    同义词:substrate
  2. any stratum or layer lying underneath another
    同义词:substrate
  3. an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
    同义词:substrate
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