词汇	ladder a balcony
释义	ladder a balcony 在阳台上架梯子
随便看	underground fluid behavior underground fluid observation Underground fluids underground folding underground formation underground foundation pit underground fracture connection underground free way underground freight transport underground freshwater underground fuel depot underground galleries of concrete underground gallery underground gangs underground garage underground-garage under ground garage underground garage engineering underground garages underground garage ventilation underground garification station underground gas underground gasification underground gasification face underground gasification mining