好词典

enzymes

UK //ˈɛnzaɪmz//US //ˈɛnzaɪmz//

词源

源自希腊语enzymos(发酵的),由en-(在...内)+ zyme(酵母)组成,1881年首次被德国生理学家Kühne用于描述发酵物质。

noun

❶ 酶是生物体内产生的蛋白质,能够加速化学反应而不被消耗,对消化、代谢等生命活动至关重要。

“Digestive enzymes help break down food in our stomach.”

(消化酶帮助分解我们胃中的食物。)

“Some enzymes are used in industrial processes to speed up reactions.”

(某些酶被用于工业过程中以加速反应。)

同义词:biocatalysts, protein catalysts, biological catalysts

常见短语

digestive enzymes — 指参与食物分解的酶类,主要存在于消化系统中帮助营养吸收。

“People with pancreatic insufficiency often need to take digestive enzymes.”

(胰腺功能不全的人通常需要服用消化酶。)

enzyme activity — 描述酶催化反应效率的术语,受温度、pH值等因素影响。

“The enzyme activity decreases significantly at high temperatures.”

(高温下酶活性会显著降低。)