Earlier this week, VentureBeat wrote about an eighth grader who used a similar tool to create a simple game and knock Angry Birds out of the top free spot in the App store.

本周早些时候，Venture Beat报道了一个八年级生使用类似的工具创建了一个简单游戏，将《愤怒的小鸟》踢下了苹果商店免费游戏下载量排行的王座。

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The energy of light varies across the spectrum (blue light is more energetic than red) but only a certain amount of energy is needed to knock an electron free.

光谱中光的能量是不同的(蓝光比红光更具能量)，但是只需一种确定的能量来碰触电子使其脱离。

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Unlike the sun, which scatters its energy across the board, the dye/nanoparticle mix delivers plasmons of the right energy to knock electrons free without waste.

不像光线普照的太阳，染料和金属纳米粒的混合会释放正好的能量来碰触电子无损耗的脱离。

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Many Japanese remove their shoes after entering a home, and the company's lace-free, pull-on "Knock-A-Bout" boots are a best-seller there.

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When Ronaldinho's free-kick for Brazil helped knock England out of the 2002 World Cup, I saw how it affected David Seaman.

BBC: World Cup scouting: goalkeepers

Packard had also hooked up with an old classmate, Bill Hewlett, and during their free hours the two men would knock around in the garage trying to come up with product ideas for their own company.

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