A shuttle on the launch pad measures 184 feet (56 meters) tall from the tip of the external tank down to the aft skirts of its twin solid rocket boosters.

从外部燃料箱的顶端至船尾固体火箭助推器的裙摆，发射台上的航天飞机高184英尺(56米)。

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Around two minutes after launch, the boosters on either side of the shuttle will fall away, followed shortly afterwards by the giant external fuel tank strapped to the spaceship.

发射大约两分钟后，该航天飞机两侧的助推器将断离并掉落下来，紧接着被绑在飞船外部巨大的燃料箱也随着掉下来。八分半钟后，该航天飞机进入宇宙飞行。

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A major exception, the space shuttle orbiter, USES three onboard liquid-fuel main engines supplied by a disposable external tank and a pair of solid-fuel boosters to reach space.

一个主要的例外是航天飞机轨道飞行器，它使用三个随之携带的液体燃料的重要引擎到达宇宙，而这又是由一个可任意使用的外部箱和一对固体燃料后援器来供给的。

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