I come in many different colors and get bigger when I’m full.

来源于未知 雪域流沙发布 2021-02-26 11:34更新浏览

I come in many different colors and get bigger when I’m full. I will float away if I’m not tied down, and I will make a loud sound if I break in a lull. What am I?
我有很多不同的颜色，填满了会变大。如果我不被栓着会飘走，如果我被打破发出响亮的声音。我是什么？
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