Always going well until one of the astronauts accidentally knocked loose the circuit breaker that fires up the engine to get them back to the orbiting command module.
一切都很顺利，直到其中一名宇航员不小心撞松了启动引擎的断路器，这将他们送回了轨道指挥舱。
Orbit module
原声例句
国家地理（儿童专栏）
英语百科
Orbital module
（重定向自Orbit module）
The orbital module is a portion of spacecraft used only in orbit. It is separated from the manned reentry capsule before reentry. The orbital module provides 'habitat' space to use in orbit, while the reentry capsule tends to be focused on the machinery needed to get seated passengers back safely, with heavy structural margins. These have developed from the Soviet Soyuz spacecraft.
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