名词
中文翻译：乐趣
同义词：
['pleasure', 'amusement', 'entertainment']
例句：
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1. I had a lot of fun at the party last night.
昨晚的派对我玩得很开心。
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2. Fun is essential for children's development.
对儿童的发展来说，乐趣是必要的。
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3. The game was so much fun that we didn't want it to end.
这个游戏太有趣了，我们不想结束它。