balloon

柯林斯詞典

1. N-COUNT 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. 氣球
She popped a balloon with her fork. 她用叉子把氣球砰的一聲戳爆了。
2. N-COUNT A balloon is a large, strong bag filled with gas or hot air, which can carry passengers in a container that hangs underneath it. 熱氣球
They are to attempt to be the first to circle the Earth non-stop by balloon. 他們將試圖成爲(wèi)首批乘熱氣球不間斷環(huán)球飛行的人。
3. V-I When something balloons, it increases rapidly in amount. (數(shù)量上) 猛增
The jail's female and minority populations have both ballooned in recent years. 該監(jiān)獄的女性及少數(shù)民族犯人在近幾年都猛增了。