enzyme

这又是一个技术贴~ 发音：[ˈenzaim] 意思： any of a group of chemical substances which are produced by living cells and which cause particular chemical reactions to happen while not being changed themselves； An enzyme is a chemical substance that is found in living creatures which produces changes in other substances without being changed itself. (TECHNICAL)； any of a group of complex proteins or conjugated proteins that are produced by living cells and act as catalysts in specific biochemical reactions； a chemical substance that is produced in a plant or animal, and helps chemical changes to take place in the plant or animal； a natural chemical produced by animal and plant cells that causes reactions and other processes to start