动词短语
中文翻译：膨胀
同义词：
['blow up', 'expand', 'stretch out']
例句：
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1. The balloon was so big that it could not be stretched out without breaking.
这个气球太大了，无法伸展而不破裂。
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2. After the concert, the audience began to swell with excitement.
音乐会结束后，观众开始兴奋地聚集起来。
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3. The company's stock price has been bubbling up since the announcement of its new product.
自从宣布了新产品的消息后，公司的股价一直在上涨。