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1. The wind was bouncing the branches of the big oak trees.

一棵棵高大橡树的枝条随风摇摆。

2. Derek is now the proud father of a bouncing baby girl.

德里克现在为有一个健康活泼的女宝宝而骄傲。

3. Your arms and legs need protection from light bouncing off glass.

需要保护你的手臂和双腿免受玻璃反射光线的照射。

4. They are bouncing with health in the good weather.

在这种宜人的天气里，他们健康活泼地茁壮成长。

5. My father would burst into the kitchen bouncing a football.

我的父亲会颠着足球冲进厨房。