tumble-down英 [ˈtʌmbl daʊn]美 [ˈtʌmbl daʊn]网络 摇摇欲坠的英英释义adjin deplorable conditiona street of bedraggled tenementsa broken-down fencea ramshackle old piera tumble-down shackSynonym:bedraggledbroken-downderelictdilapidatedramshackletatterdemalion双语例句