儿童故事：比尔的气球之旅 Children Story: Bill's Balloon Adventure

比尔因为玩气球差点回不了家了。听了故事，要告诉孩子，气球其实是很危险的，特别是很多气球在一起的时候，千万不要犯比尔那样的错误。

Bill almost couldn't make it back home because he was playing with balloons. After hearing the story, you should tell the children that balloons can be very dangerous, especially when many balloons are together. Never make the mistake that Bill did.