White supremacists devise new methods to disenfranchise Negroes.白人至上论者想出新的方法以剥夺黑人的公民权。devise a stratagem定计; 设计It is possible to devise corresponding systematic procedures for rigid jointed frames.推导出适合于钢架的类似步骤也是可能的.Exper...
If we had listened to them, this hydropower station would never have been built.当初要是依了他们的主张, 今天就不可能有这个水电站.hydropower utilization水能利用Hydropower produces about 15 % of the world's electricity, % for other renewables.水...