核心詞議：
substrate 基本解釋
n. （有機體的）培養基；<生>酶作用物；（供繪畫、印刷等的）底面；印刷里指承印物
速記方法知識擴展
中文詞源
substrate 底層，基底
sub-,在下，-strat,地層，巖層，詞源同 strategy,structure.
中文詞源：
substrate 底層，基底
sub-,在下，-strat,地層，巖層，詞源同 strategy,structure.
substrate
精選例句常見考點例句：
- Given proper environment and substrate , they grow !
- 給以適當的環境和基質后，它們又生長了！
- Study on soilless culture and substrate formula of strawberry .
- 草莓無土栽培方式及基質配方研究。
- Being small helps , but it 's also important that the silicon is laid out in a serpentine pattern and bonded to a soft rubber substrate , allowing the stiff material to flex , a little bit like an accordion .
- 設計小巧很有用，但將硅網設計成蛇形圖案并粘貼于軟橡膠基質上也很重要，這使得硅這種硬材質可以靈活彎曲，有點像手風琴。
- Soil enzyme activity was mostly affected by substrate concentration .
- 土壤酶活性主要受底物濃度變化的影響。
- Protein engineering and site directed mutagenesis have been used to change the active site and alter the substrate specificity of various hydroxynitrile lyases .
- 研究人員已經利用蛋白質工程和定點突變技術來改變各種醇腈酶的活性位點和底物特異性等。