大家帮忙下翻译成英语~谢谢了~

Speaking of "natural disaster", people will think of cases like drought, flood, typhoon, earthquake and so on which threaten human's possession and residence. But till now people still don't have a universal definition for "disaster" though there are already various recordings of disasters. Normally, a case in which it harms human being's safety can be called a disaster. As humans are living on the earth, under the effect in and out from the earth environment system
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Mention "natural disaster, people will think of" drought, flood, typhoon, earthquake and all sorts of human life and property crisis living conditions and safety of events. However, so far, although people to "natural disasters" had various expression, but still no one can be accepted for the definition of uniform. Generally speaking, all human lives and property and survival crisis of the various events safety conditions can be called the disaster. Becau