retrorocket

导读:retrorocket读音音标
英 [\'retrəʊˌrɒkɪt]美 [\'retroʊˌrɒkɪt]
retrorocket意思解释
n.制动[减速]火箭系统; 英英释义 retrorocket[ \'retrəu,rɔkit ]n.a small r

retrorocket读音音标

英 [\'retrəʊˌrɒkɪt]

美 [\'retroʊˌrɒkɪt]

retrorocket意思解释

n.

制动[减速]火箭系统;

英英释义

retrorocket

[ \'retrəu,rɔkit ]

n.

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

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