retro-rocket
英['retrəʊˌrɒkɪt]
美['retroʊˌrɒkɪt]
- n.反推进火箭
详细释义
名词 retrorocket:
-
a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course
双语例句
- The propulsion of a rocket requires a great amount of energy.
推进火箭需要很大的能量。
用作名词 (n.)
用法讲解
- retro rocket 制动火箭
相关词汇
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