1)背诵China is leapfrogging to the forefront of global innovation.
3)He leapfrogged his rivals into a leading position in the programming competition.
1)背诵China is leapfrogging to the forefront of global innovation.
3)He leapfrogged his rivals into a leading position in the programming competition.
本文标题：20190124每日一词leapfrog
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