名词
中文翻译：自由游戏
同义词：
['free play', 'free time']
例句：
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1.The kids played in the park for hours without paying any attention to their parents.
孩子们在公园里玩了好几个小时，完全没注意到他们的父母。
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2. She decided to take a free game at the museum today.
她决定今天去博物馆玩一个免费的游戏。
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3. The children were so excited that they didn't want to leave the free game area.
孩子们太兴奋了，不想离开这个免费游戏区。