有时候会有一些严重的灾难，如自然灾害和火灾。
Sometimes there will be some serious disaster, for example, natural disaster and fire.
台风灾害作为一种严重的自然灾害，给人类带来了巨大的灾难。
As one of the severe natural disasters, typhoon hazard bring tremendous tragedy to human beings.
突发公共事件包括自然灾害、事故灾难、突发公共卫生事件和突发社会安全事件。
Public accident is consisted of disaster, accident calamity, public hygiene event and welfare event.
突发公共事件包括自然灾害、事故灾难、突发公共卫生事件和突发社会安全事件。
Public accident is consisted of disaster, accident calamity, public hygiene event and welfare event.
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