She told us that sometimes she could hear children laughing in her house.

她还说有时她能听到屋子里有孩子们的欢笑声。

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Sometimes we can't help laughing because of his funny behavior.

有时我们因他的有趣行为而禁不住大笑。

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Sometimes we can't help laughing because of his funny behavior.

有时我们因他的有趣行为而禁不住大笑。

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