Related topics: Air
hot-ˈair balˌloon noun [countableC]
TTAa large balloon filled with hot air, used for carrying people up into the sky 热气球 →5 see picture at 见图 balloon1hot-air balloon• Perhaps the engine of an abandoned car will start or a hot-air balloon will materialize.• And hot-air balloon cylinders do travel by road - between flights.• Right: tethered hot-air balloon rides were popular.• The hot-air balloon skims along a wash, following the narrow line of trees and bushes across the desert.