搜尋結果
captive balloon
- a lighter-than-air balloon secured by a rope to the ground, used to carry radar equipment or for parachute jumps.
noun: captive balloon, plural noun: captive balloons
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- IPA[ˈkaptiv bəˈlo͞on]
- a lighter-than-air balloon secured by a rope to the ground, used to carry radar equipment or ...
Oxford American Dictionary