Molly and her friend Bella were playing on the playground.

莫莉和她的朋友贝拉正在操场上玩耍。

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The students ran races on the playground.

学生们在操场上赛跑。

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He is sliding down the slide on the playground.

他正在操场上玩滑滑梯。

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in the cafeteria when they're eating lunch, on the playground.

在餐厅吃午餐的规矩，和在操场的规矩。

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And on the playground behind the building, only the wind plays on the swing.

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Poor kids and rich kids would be more likely to meet each other on the playground.

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Ammaria suffered cardiac arrest after eating a single peanut, handed to her by a classmate on the playground.

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