On weekdays, one third of the room functions as workspace.在工作日，房间的1/3用作办公区域。The shell surrounding the egg has many important functions.蛋壳有许多重要的功能。impairment of the functions of the kidney肾功能障碍...
油有浮在水上的特性.Oil has the property of floating on water.然而,五大湖流域的州地在水上的特殊问题仍继续存在.Great Lakes states continue to have their own unique water problems, however.油是漂浮在水上的,这样,潜艇就有了浮力.Oil floats on water and so you get the buoyanc...