气球 a small bag made of very thin rubber that becomes larger and rounder when you fill it with air or gas. Balloons are brightly coloured and used as decorations or toys.
to blow up/burst/pop a balloon 吹起气球;使气球爆裂
热气球 a large balloon made of strong material that is filled with hot air or gas to make it rise in the air, usually carrying a basket for passengers
verb
(突然)膨胀,涨大 to suddenly swell out or get bigger
Her skirt ballooned out in the wind. 她的裙子让风吹得鼓起来了。
N-COUNT 气球 A balloon is a small, thin, rubber bag that you blow air into so that it becomes larger and rounder or longer. Balloons are used as toys or decorations.
She popped a balloon with her fork. 她用叉子戳破了一个气球。
N-COUNT 热气球 A balloon is a large, strong bag filled with gas or hot air, which can carry passengers in a container that hangs underneath it.
They are to attempt to be the first to circle the Earth non-stop by balloon. 他们试图完成乘热气球不间断环球飞行的创举。
VERB (数量)激增,猛涨,快速膨胀 When something balloons, it increases rapidly in amount.
In London, the use of the Tube has ballooned... 在伦敦,坐地铁的人激增。
The budget deficit has ballooned to $25 billion... 预算赤字已经猛增到250亿美元。