陆龙卷中心的地面气压如图7.26所示.The surface pressure at the centre of the tornado is shown in Figure 7.26.水龙卷和冰雹偶有出现, 降雪和陆龙卷则属罕见.Waterspouts and hailstorms occur infrequently , while snow and tornadoes are rare....
他的绘画经历了具象风格和抽象风格两个阶段。His painting went through both representational and abstract periods.“第三世界”是个抽象概念，是一种简称。"Third World" is an abstraction, a form of shorthand.钱对她来说就是个抽象的东西，她从不去想钱。Money was a commodity she never thoug...