孩子们正在谈论他们的周末。

OK. The children are talking about their weekends.

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他们在谈论他们的周末计划。

They are talking about their plans for the weekend.

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他们正在谈论有关他们的周末计划。

They are talking about their weekend plans.

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他们正在谈论有关他们的周末计划。

They are talking about their weekend plans.

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