Terms for subject Desert science containing floor

English	Chinese
cavern floor	洞穴底
crater floor	环形山底
crater floor	火口原
desert floor	荒漠［地］面
forest floor	森林覆被
lake floor	湖底
lake-floor sediment	河底沉积物
ocean floor	海底平原
ocean floor fracture zone	洋底断裂带
rock floor	岩原侵蚀坡
sea floor spreading	海底扩张
total floor area of a building	总建筑面积