Three Bell Laboratories scientists invented this device, which was faster, smaller, more reliable and consumed less energy than vacuum-tube technology.

贝尔实验室的三位科学家发明了这项速度快、体积小、更加可靠，并且比真空管大大节能的新技术。

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Three bell laboratories scientists invented this device, which was faster, smaller, more reliable and consumed less energy than vacuum - tube technology.

贝尔实验室的三位科学家发明了这项速度快、体积小、更加可靠，并且比真空管大大节能的新技术。

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My schoolmates watched time crawl every afternoon, waiting an eternity for the three o'clock bell.

我的同学每天下午都盯着时间流逝，永远地等待着三点钟的钟声。

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Two of the three UK Taco Bell outlets are in Essex, northeast of London, and the third is in Manchester, in northern England.

CNN: STORY HIGHLIGHTS

Taco Bell has three outlets in Britain and says all its affected stock has been removed.

BBC: Horsemeat scandal: Four new products test positive

Bell hit three fours and a six in his 48-delivery innings before he fell to Riaz (3-34) in the 17th over with the game safely wrapped up.

BBC: Craig Kieswetter stars in England Lions victory