就灾难来说，这一次很可怕，但不是绝无仅有，自然算不上美国空难史上之最。当然，与以往不同的是这次有桥。飞机在交通高峰期撞到桥上，空中线路切断陆上线路，双双陷于瘫痪。再者，还有出事地点。华盛顿，这个布局合理、秩序井然的城市，被隆冬的一阵炸响和金属之间的碰... As far as a disaster is concerned, this time is terrible, but it is not unique. It certainly can not be regarded as the highest in the history of the U.S. air crash. Of course, different from the past is this bridge. The plane hit the bridge during the rush hour and the air line cut off the land line, both of which were paralyzed. Again, there are places for the accident. Washington, this well-structured, well-ordered city, was a burst of winter frying and touch between the metal ...