Magnesium is involved as a cofactor in many enzyme transfers.镁是许多酶转变的辅助因素.Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作.Magnesium is c...
The President promised across-the-board tax cuts if re-elected.总统许诺如果能再次当选将采取全面的减税措施。She promised me to try her best to help him.她向我保证要尽力帮助他。He promised to see about the matter.他答应处理此事。The store promised to discount pric...
古埃及人制造了玻璃 、 瓷砖 、 松脂 、 肥皂和染料.The ancient Egyptians could make glass, tile, turpentine, soap and dyes.一些小昆虫常常不幸粘到了松脂里.Little insects were often unlucky and got stuck in this sap.本厂常年供应优质松脂 、 松香、松节油.Our perennial supply of ...
In the present difficult conditions, many people are emigrating from Britain.在目前的困难时期, 很多人正离开英国,移居国外.He is talking of emigrating.他在谈论移居国外的事.Tom is thinking of emigrating. What do you think of the idea?汤姆正在考虑移居国外. 你认为这主意 ...