帐篷底防水布

[体]帐篷内防水布

groundsheet───n.（露营时铺地用）防潮布

ground sheets───帐篷底防水布；帐篷内防水布

ground speed───地上速率；飞机相对地面的水平速度

groundsheets───n.（露营时铺地用）防潮布

ground speeds───地上速率；飞机相对地面的水平速度

ground alert───n.进入戒备状态之信号；戒备状态

ground beef───绞碎的牛肉

ground rent───n.地租；地面使用权

ground shark───恒河真鲨

Indoors, you put a white sheet on the ground, spray some insecticide on walls and ceilings, and the mosquitoes fall on your feet one by one.───在室内，你在地上放一个白床单，然后在天花板和墙上喷上一些杀虫剂，蚊子就一个一个地掉在你的脚边。

Grain is often heaped on the ground and covered with a sheet: no wonder the rats get at it.───粮食通常就堆在地上，用布盖起来：难怪老鼠会吃粮食。