rockoon
名词 n.
英 /ɹɒˈkuːn/
美 /ɹɑˈkun/
英文释义
名词 n.
- A rocket, powered by solid fuel, that is not lit while on the ground but first carried into the upper atmosphere by a gas-filled balloon, then separated from the balloon and automatically ignited to allow it to achieve a higher altitude.
词形变化
词源
Blend of rocket + balloon.
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数据来源: Wiktionary