At first glance,dust storms do not seem very fascinating.Winds pick up fine particles from the ground,and then the air becomes thick with dust.What is interesting,though,is that dust storms can travel...
翻译就算了,你自己搞下吧 A great deal of truth to the proof, wetland degradation is one of the important reasons caused sandstorm stretches 81.3 kilometers, the country's second largest inland in heihe, Inne...