- an engine, such as a jet or rocket engine, that ejects gas at high velocity and develops its thrust from the ensuing reaction
| 单词 | reaction engine |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 reac′tion en′gine, [Aeron., Rocketry.]
Collins Concise English Dictionary © HarperCollins Publishers:: reaction engine, reaction motor n
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