英语词汇retrorocket怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	retrorocket
释义	ret·ro·rock·et AHD[rĕtʹrō-rŏk'ĭt] D.J.[ˈretrəʊˌrɒkɪt]K.K.[ˈrɛtroˌrɑkɪt]n.（名词） A rocket engine used to retard, arrest, or reverse the motion of a vehicle, such as an aircraft, a missile, or a spacecraft.制动火箭：用于阻滞、抑制或使运载物（如飞行器、导弹或太空飞行器）反向运动的火箭引擎
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