natural disaster and human foe 基本例句 天灾人祸 Saval rushed into the street, cast down, as though he had met with some disaster.萨瓦尔到大街上，几乎跌到，好像遇到了什麽天灾人祸。 Once natural and man-made calamities happened, they had to rely on the government's relief.遇上天灾人祸，他们只能靠政府救济。