| 单词 | 作用物 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔active site〕The part of an enzyme at which catalysis of the substrate occurs.活性部位：产生酶作用物催化作用的酵素部位美国传统〔constitutive〕Of or relating to the synthesis of a protein or an enzyme at a constant rate regardless of physiological demand or the concentration of a substrate.蛋白质或酶不受生理要求或酶作用物浓度而快速合成的或与之有关的美国传统〔dehydrogenase〕An enzyme that catalyzes the removal and transfer of hydrogen from a substrate in an oxidation-reduction reaction.脱氢酶：一种酶，能在氧化还原反应过程中，对脱去作用物中的氢并转化氢起催化作用美国传统〔febrifuge〕An agent or a medication that reduces a fever; an antipyretic.退烧药：退烧的作用物或药剂；退热剂美国传统〔oxidase〕Any of a group of enzymes that catalyze oxidation, especially an enzyme that reacts with molecular oxygen to catalyze the oxidation of a substrate.氧化酶：起催化氧化作用的任意一种酶，尤指一种与分子氧气反应来催化氧化作用物的酶美国传统〔pacifarin〕Any of various bacterial products that, introduced in small amounts, protect an organism from an infection or a disease without killing the infectious agent.抑菌剂：任一种细菌产物，数量较小，在不杀死传染作用物的情况下保护微生物不受传染或疾病侵扰美国传统〔polyimide〕A synthetic polymeric resin of a class resistant to high temperatures, wear, and corrosion, used primarily as a coating or film on a substrate substance.聚酰亚胺：一种抗高温、磨损和腐蚀性的合成聚合树脂，主要用作敏作用物质的覆面或覆膜美国传统〔whitening〕An agent used to make something white or whiter.白粉：一种把某种东西弄白或变白的作用物美国传统 |
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