英语网 英语单词
Retrorocket的音标发音
Retrorocket
英式发音：['rɛtro,rɑkɪt]
美式发音
(noun.) a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course.
校对:玛克辛
(noun.) a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course.
校对:玛克辛