名词
中文翻译：游泳圈
同义词：
['paddle ring', 'float ring']
例句：
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1.The child was happily swimming in the pool with his friends.
孩子和他的朋友们在池子里快乐地游泳。
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2. The baby was sleeping soundly in the floating ring.
婴儿安稳地躺在浮水圈上睡觉。
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3. The children were playing in the paddling ring at the beach.
孩子们在海滩上的浮水圈里玩耍。