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单词 step rocket
释义
step rocket
(extremely rare)
n

WORD FAMILY
step rocket
n a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted
Syn|Hyper
multistage rocket
projectile, rocket
any vehicle self-propelled by a rocket engine
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更新时间:2025/3/24 14:02:18