单词frogged
According to World Bank statistics, income inequality in China has leap-frogged that of the US and Russia, which is no small feat.
世界银行（WorldBank）的统计数据显示，中国的收入差距已经超过了美国和俄罗斯，这可不是件小事。
Many leap-frogged from no camera straight to a digital one.
许多人从没有相机直接过渡到数码相机。
They"ve just leap- frogged ahead of us by a good margin.
他们已经大步向前，把我们远远甩在后面了。
Implementing the Strategy of Leap -frogged Development
实施跨越式发展战略