substrateKK [ˋsʌbˏstret] /ˈsʌbˌstɹeɪt/發音名詞1基質、培養基生物Mushrooms grow well on a substrate of sawdust and straw.香菇在木屑與稻草混合的基質上長得很好。2基板、基片電子The circuit is printed directly onto a thin silicon substrate.電路直接印在一片薄的矽基板上。3底層、基底專業Paint will peel if the substrate has not been properly cleaned.若底層沒有清理乾淨,油漆就會剝落。4酶作用物、底物生化The enzyme binds to its substrate and speeds up the reaction.這種酵素會與其作用物結合,加快反應速度。