Hypernyms:rocket rocket engine
Inherited Hypernyms:retrorocketrocketjet enginereaction-propulsion engineenginemotormachinedeviceinstrumentalityartifactwholeobjectphysical entityentity
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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