Or just use keyboard shortcuts Brush up on your knowledge of keyboard shortcuts.

复习一下键盘快捷键的用法吧。

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Even though we live in an age of extreme connectivity and Internet knowledge overload, don't forget to brush up on your facts before meeting up with your interviewer.

尽管我们生活在一个联系极度密切和网络信息超负荷的时代，我们也不要忘记在与面试官见面前重温你的知识库。

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ESSENTIAL NMR is a set of lecture notes for scientists and engineers who want to brush up on their knowledge of NMR.

必要的NMR是给科学家和想要重温他们的NMR知识的工程师的一套讲稿。

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Now you can brush up on your movie knowledge more easily before you make a fool out of yourself at parties, thanks to new info cards that are now being integrated into Google Play Movies.

ENGADGET: Google adds info cards to Play Movies, helps you become a trivia wizard