语法与词汇 I thought that Hiroshima still felt the impact of the atomic cataclysm.无
【正确答案】cataclysm: A sudden disaster or a violent event that causes change. 
【答案解析】句意: 我认为, 广岛人仍然活在原子弹所带来的灾难中。 cataclysm指“大灾难, 巨变”。