雅思词汇积累：桥梁垮塌事故
24日5时30分许，位于哈尔滨市区的阳明滩大桥引桥一段横梁发生垮塌，目前已造成3人死亡5人受伤。事故原因和责任正在进一步调查中。 请看报道： It is the sixth major bridge collapse across the country since July last year, following one in Beijing and another in the eastern city of Hangzhou. Shoddy construction and ov...