词汇 | retrorocket |
释义 | retrorocket noun [ C ] uk/ˌret.rəʊˈrɒk.ɪt/ us/ˌret.rəˈrɑː.kɪt/ 反推进火箭;制动火箭(宇宙飞船或航空飞机等航空器上的一种火箭,其发射方向与航空器飞行方向相反,从而使之减速) a rocket on a spacecraft or an aircraft that fires in the opposite direction to the direction in which the vehicle is travelling, in order to slow it down |
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