他可以悠然阅读所有的全国性报纸。He could read all the national papers at his leisure.汽车犯罪数量不断飙升是全国性的问题。The rising number of car crimes is a nationwide problem.这是英国发展最快的全国性日报社。It is Britain's fastest growing national daily newspaper...
The area used to be struck by raging sandstorms.这个地区过去风沙猖獗.Sandstorms and high level jet stream always occurred together.沙尘暴与高空急流总是相伴出现.Tree planting , and forestation can effectively prevent sandstorms.植树造林可以有效地防治沙灾.San...