求翻译：昨天，我和弟弟在海边玩。弟弟不小心掉进了海里，我不会游泳，所以只能一直喊救命，结果有一位老爷爷救了我弟弟，我弟弟对那个老爷爷说谢谢你是什么意思？

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Yesterday, I and my brother playing on the beach. My brother dropped into the sea, and I can't swim, so we can only have been calling for help, the result was a bit washed out, and I had my brother's brother that granddad said thank you

Yesterday, I and the younger brother played in the seashore.The younger brother fell in not carefully the sea, I could not swim, therefore only could always shout saves a life, finally had a grandfather to rescue my younger brother, my younger brother to that grandfather said thanked you

Yesterday, my brother and I play in the sea. Brother accidentally fell into the sea, I can't swim, so can only have been crying, and as a result one grandfather saved my brother, my brother turned grandfather say thank you

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