At the moment when the two trains gave the illusion of being stationary, a blind in one of the carriages flew up with a snap.

正当两列火车给人一种静止不动的错觉时，其中一节车厢的一个百叶窗啪的一声飞了起来。

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You should back up files regularly-and keeping all your files in one place helps make backup a snap.

你应当定期备份文件—把所有文件保存在一个地方令文件备份易如反掌。

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Normally you would stack or snap the blocks together to build a bigger application, which could become yet another one of the blocks.

通常情况下，您会将这些构造块堆叠在一起以构建较大的应用程序，而后者又可作为另一种构造块。

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While taking photographs of this extraordinary sealed world I happened to snap one of the entrances.

CNN: Fireworks bring drama to locked-down Davos

Disappointed bidders might snap up one of the smaller state banks that the government is also selling.

ECONOMIST: Brazilian banks

BSkyB and ESPN are favourites to each snap up one package of 23 games, though they may face competition from digital pay-tv service, Top-Up TV.

BBC: BT Vision stops selling Setanta