名词
中文翻译：红球
同义词：
['red sphere', 'red ball例句：1. The children were playing with red balls in the park.（孩子们在公园里玩着红色的球。）']
例句：
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1. The children were playing with red balls in the park.
孩子们在公园里玩着红色的球。
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2. The red ball fell into the hole.
那个红球掉进了洞里。
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3. He threw a red ball to his dog.
他把一个红球扔给了他的狗。