2019-01-24 每日一词 leapfrog

leapfrog

to suddenly become better, more advanced etc than people or organization that were previously better than you

例句: Within only a couple of years, she leapfrogged from an entry-level worker into a senior engineering position.

1）翻译下面的句子：
David 超越了他的同班同学，只用两年半就拿到了本科学位。

Within only two and a half years, David leapfrogged his classmates and got his underground degree.

参考翻译：David leapfrogged his classmates and obtained his bachelor's degree within just two and a half years.

2）场景：经过一年多的努力学习，他成为班上学习最好的学生。

造句：Because of learning hard for more than a year, he leapfrogged his classmates and became the best student.