孩子们在院子里来回抛球，玩得很开心。
The children were happy to bandy the ball around the yard.
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The children were happy to bandy the ball around the yard.
The children were happy to bandy the ball around the yard.
The children were happy to bandy the ball around the yard.
在 App 中完整学习这张卡片
在 App 中学习