rockoon.
/rok-oon, ro-koon/US // ˈrɒk un, rɒˈkun //UK // (rɒˈkuːn) //
洛克龙,岩龙,摇滚,摇滚乐
Definitions
n.noun · 名词
- 1.
- ›a rocket launched from a balloon at a high altitude.
Examples
I also understand that a rockoon is a combination of a rocket and a balloon.
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