retrorocket

 
['retrəʊˌrɒkɪt]     ['retroʊˌrɒkɪt]    
  • n. 制動火箭
new

retrorocket的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

Noun:
  1. a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course

今日熱詞
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