Hypernyms:rocket rocket engine
Inherited Hypernyms:nuclear rocketrocketjet enginereaction-propulsion engineenginemotormachinedeviceinstrumentalityartifactwholeobjectphysical entityentity
单词 | nuclear rocket |
释义 | Nuclear Rocket nnoun.artifacta rocket engine in which a nuclear reactor is used to heat a propellant Hypernyms:rocket rocket engine Inherited Hypernyms:nuclear rocketrocketjet enginereaction-propulsion engineenginemotormachinedeviceinstrumentalityartifactwholeobjectphysical entityentity |
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