n.四倍;
v.(使)成四倍( quadruple的现在分词 );
例句:
That is the double significance of quadrupling our industrial and agricultural output.
翻两番包含这两个方面的含义.
It is entirely possible to achieve the goal of quadrupling the gross annual value of industrial and agricultural production by the end of the century.
在本世纪末实现工农业总产值增四倍的目标是完全可能的.
Quadrupling the gross national product will be an achievement of great significance.
翻两番的意义很大.