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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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更新时间:2026/4/26 23:52:32