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单词 retrorocket
释义
Retrorocket
nnoun.artifacta small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course
Hypernyms:rocket rocket engine
Inherited Hypernyms:retrorocketrocketjet enginereaction-propulsion engineenginemotormachinedeviceinstrumentalityartifactwholeobjectphysical entityentity
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更新时间:2025/1/3 20:52:29