substratum
音標['sʌb'streitəm]中文翻譯：
n. 基礎, 根據, 下層, 基層, 基質, 培養基, 膠層
【計】 基底
【醫】 酶作用物, 酶解物, 底質; 下層, 基層, 低層
詞型變化：
形容詞:substrative 名詞複數:substrata英文解釋：
名詞 substratum:
- a surface on which an organism grows or is attached同義詞：substrate
- any stratum or layer lying underneath another同義詞：substrate
- an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population同義詞：substrate