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关注:1
2013-05-23 12:21
求翻译: While elderly people tend to sleep for fewer hours than they did when they were younger, this has a negative effect on their brain's performance and they would benefit from getting more, according to research.是什么意思?![]() ![]() While elderly people tend to sleep for fewer hours than they did when they were younger, this has a negative effect on their brain's performance and they would benefit from getting more, according to research.
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