英语翻译自然灾害有很多,我认为火山爆发,地震,台风和洪水是最严重的四种自然灾害.这些灾害会造成重大的人员伤亡和经济损失.

There are many natural disasters .
I think eruptions,earthquakes ,windstorms and floods are the most serious natural disasters.
Those disasters can make heavily casualties and pecuniary loss.
We shouldnot be afraid when we encounter these disasters.
Instead,we should be brave and solve those troubles actively.
forexample,we can pay heed to receive weather report,learn to
save oneself's common sense and so on.
Of course,if disasters real happened,we should assure our saftey and try to help others in the instance .after all,we are family.