There are a couple of reasons why a big 4.0-liter engine has eight half-liter cylinders rather than one big 4-liter cylinder. The main reason is smoothness.

一 个4.0升的发动机有八个0.5升的气缸而不是一个4.0升的大气缸，其中有几个原因：主要原因是流畅性。

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Watching him I would remember the things you could do with the old one-cylinder engine with the heavy flywheel, how you could have it eating out of your hand if you got really close to it spiritually.

看着他，我想起可以怎样在那种有重飞轮的一缸马达上玩出名堂，还有要是你能在精神上跟它真正贴近，如何得心应手地操纵它。

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The core of a steam engine is a cylinder that is sealed at one end and has a moving piston at the other.

蒸汽机的核心是汽缸。它一端密封，另一端有个可以移动的活塞。

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Next year Ford will offer a new Focus compact car in Europe, with a one-litre, three-cylinder engine that performs as well as the 1.6 litre, four-cylinder engine it replaces, yet uses about 20% less fuel.

ECONOMIST: Carmakers: Revenge of the petrolheads | The