名词中文翻译
中文翻译：气球
同义词：
['baloon', 'helium balloon', 'inflatable balloon']
例句：
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1. The children were delighted to see the colorful balloons floating in the sky.
孩子们看到天空中五彩缤纷的气球时非常高兴。
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2. The balloon was filled with helium and released into the air.
这个气球被氦气填充，然后被放飞到空中。
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3. The balloon was a symbol of good luck and fortune.
这个气球象征着好运和幸运。