求翻译：last weekend ,the Greens their time together .On Saturday morning they cleaned their house together .And on Saturday evening they sat in the living room watched TV together.On Sunday morning they went shopping in a big supermarket on Central Street .On Sunday afternoon they had a big dinner together .And in the evening they had a family party.They played the piano,sang and dancrd.The family had a good weekend together.是什么意思？

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