英语翻译
问题描述：
英语翻译
It took only fifty-eight years,however,to go four times that fast,so that by 1938 men in airplanes were traveling at better than 400 mph.It took a mere twenty-year flick of time to double the limit again.And by the 1960's rocket plants
答
然而花了58年才达到那种速度的四倍：1938年,飞机的速度超过了每小时400英里.一眨眼只用了20年的时间又把这个极限翻了一倍.