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Memory Loss Losing your ability to think and remember is pretty scary. We know the risk of dementia increases with age. 丧失思考和记忆能力是相当可怕的。我们知道，随着年龄增长，患痴 阅读全文
posted @ 2018-11-02 16:19
飞乐
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Air Pollution Since the 1940s, southern California has had a reputation for smog. 自20世纪40年代以来，南加利福尼亚一直以雾霾文明。 Things are not as had as they noce were, 阅读全文
posted @ 2018-11-02 13:42
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