You can open the slats for a bright light or angle them for more shade.可以调节百叶窗使光线亮一些，也可以暗一些。The house was covered with slats of tiles.这所房子是用板条瓦盖的.Put the slats on the roof so that they lap over.把石板瓦安放在屋顶上,使之相互叠盖....
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...