"It sounded like a firework or a spaceship was about to take off," he said.
“它听起来就像一个即将升空的烟花还是宇宙飞船什么的,”他说。
The last one burnt for a long time, like a firework, left a long tail of light across the sky.
最后看见的一颗在空中燃烧了很久,象一支焰火,拖着长长的尾巴横越天空。
But once a solid-fuel rocket is ignited, it is off like a firework and keeps going until all the fuel is burned up.
但是一旦固体燃料火箭发动机被点燃,它将象二踢脚一样发射出去并一直跑,直到全部燃料烧完为止。
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