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1. They like to go ballooning at weekends.

他们周末喜欢乘气球玩.

2. Since the modest start, many interesting characters have filled the pages of ballooning history.

自从这次简易的起步以来, 在乘气球升空的历史篇章中充满了许多有趣的人物.

3. China must realise that its ballooning foreign reserves are a problem.

中国必须意识到,其不断膨胀的外汇储备是一个问题.

4. We will be ballooning over the lake after lunch.

午饭过后我们将乘坐气球飞过湖泊.

5. Previous projections typically assumed that Americans would keep on ballooning.

以前的预测都认为美国人的肥胖率会持续增长.