火箭发动机 [
huǒ jiàn fā dòng jī]
[航] rocket motor
[航] rocket engine
- 火箭发动机熄灭了。
The rocket engine burned out. - 这些元素甚至可以为火箭发动机提供燃料。
These elements can even be used to fuel rocket engines. - 而有些卫星则装配了火箭发动机和推进剂贮箱,这样可以控制它们的坠落路线,将其引导坠落到海洋之中,而不是坠落到居民区里。
Some satellites come equipped with a rocket engine and propellant tank so controllers can aim their descent into an ocean instead of a neighborhood, but not all.