Why doesn't it fly apart under the coulomb repulsion of like - charge elements?为什么它不在同类电荷元的库仑排斥作用下散开 呢 ?She gave a dramatic shudder of repulsion.她恶心得直发抖。the forces of attraction and repulsion引力和斥力He looked with repu...
在池中还隐约透着华盛顿纪念塔的倒影.The pool is fully faint a reflection of the Washington Monument.华盛顿纪念塔于1848年开始建造.The Washington Monument was started in 1848.广场上亭亭耸立着一座纪念塔.A monument stands on the square....