我正在等几封重要的信件，可是一封都没到。I am expecting several important letters but nothing has arrived.我们把手探进一袋信件中抽取获奖者。We delved through a sackful of letters to draw the winning name.他们主张采取向四处随意邮寄大量信件的方式。They advocated a scattergun appro...
讨论了城市鸟瞰图的概念 、 技术和特点.Discusses the concept, technology and feature of city airview map.他们正在欣赏鸟瞰图.They are admiring the bird's eye view.微软位于田纳西州圣安东尼奥的数据中心鸟瞰图.This is an aerial view of Microsoft's data center in S...