step rocket
英
美
- n.多级火箭
详细释义
Noun:
-
a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted
双语例句
- Rockets with more than one stage are called step rockets.
多于一级的火箭称为多级火箭。 - As the step rocket goes up, some of the stages at the side fall away.
当多级火箭上升时，边上的几级火箭就脱落了。
用作名词 (n.)
相关词汇
- multistage rocket 多级火箭
【近义词】
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