shock wave
moving region of very high air pressure caused by an explosion or an aircraft moving faster than sound 激震波, 冲击波, 激波（由爆炸或超音速飞机引起的）
(fig 比喻) As soon as news of the tragedy was announced, shock waves spread rapidly to all parts of the country. 这可悲的消息一发表, 震憾人心的冲击波迅速传遍全国各地.