气球被充气后逐渐膨胀起来。

气球被充气后逐渐膨胀起来。

The balloon began to distend as it was filled with air.

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The balloon began to distend as it was filled with air.

distend 来自拉丁语前缀 dis-(表示"分开")和动词 tendere("伸展"),组合起来意思是"向四周伸展",即"膨胀、扩张"。这个词常用于描述气球、胃部等因内部压力而向外扩张的状态。

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