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N-COUNT
氣球
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.
例句
She popped a balloon with her fork.
她用叉子戳破了一個氣球。
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N-COUNT
熱氣球
A balloon is a large, strong bag filled with gas or hot air, which can carry passengers in a container that hangs underneath it.
例句
They are to attempt to be the first to circle the Earth non-stop by balloon.
他們試圖完成乘熱氣球不間斷環球飛行的創舉。
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VERB
(數量)激增,猛漲,快速膨脹
When something balloons, it increases rapidly in amount.
例句
In London, the use of the Tube has ballooned...
在倫敦,坐地鐵的人激增。
The budget deficit has ballooned to $25 billion...
預算赤字已經猛增到250億美元。