求翻译：四年前的春节，六叔在车祸中丧生。从那以后，奶奶患上了老年痴呆症，她逐渐地遗失了绝大部分记忆，而且她再也不认识家里的亲人，除了爷爷是什么意思？

Four years ago the Chinese New Year, Uncle was killed in a car accident. Since then, my grandmother suffering from Alzheimer's disease, she gradually lost most of the memory, and she no longer recognize their loved ones at home, in addition to Grandpa

Four years ago, the Chinese Lunar New Year uncle 6 killed in car accidents. Since then, his grandmother had been suffering from dementia, she gradually lost memories, but she was no longer the majority did not recognize her grandfather, apart from their loved ones

Four year ago Spring Festival, six uncles got killed in the traffic accident.From that, paternal grandmother has suffered from the senile dementia sickness, she lost the major part to remember gradually, moreover she did not know in the family again the family member, except grandfather

Spring Festival four years ago, six Uncle died in a car accident. Since then, his grandmother suffered from Alzheimer 's, she gradually lost most of the memories, and she knew no home and loved ones, in addition to Grandpa

Four year ago Spring Festival, six uncles got killed in the traffic accident.From that, paternal grandmother has suffered from the senile dementia sickness, she lost the major part to remember gradually, moreover she did not know in the family again the family member, except grandfather