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缺乏维生素D会增加老年痴呆症风险 Vitamin D comes from the sun and from some foods like nuts, lentils and fatty fish. 人们能够从太阳，或是像坚果、扁豆以及多脂鱼等食物中摄取维生素D。 Researchers have found t
VOA标准英语2016年(一月)
We marvel as babies develop. Yael tells Don about some fascinating things researchers have discovered about infants. Y: Today, on a Moment of Science, it's time for another round of Baby Skills, that fun and wacky guessing game that shows your baby i
英语时差8，16
World Down Syndrome Day is on March the 21st every year. It is on this day because the number 21 is important in the identification of Down Syndrome. The condition is created by a 21st, extra chromosome being replicated three times, thus causing the
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Study: Vitamin D Supplements Might Slow Dementia 研究发现维生素D补充剂或能减缓痴呆 Over the next 50 years, it's expected that Alzheimers disease and dementia will strengthen their grip on older adults worldwide. Researchers are studyi
VOA标准英语2015年(九月)
Imagine you had never tasted lemonade. You would still probably assume that lemon juice mixed with sugar tastes better than lemon juice alone. Because you know what lemons taste like, and you know what sugar tastes like. You can recall those past exp
2016年Scientific American(十一)月
Business. 商业。 Recruitment. 人才招聘。 Work and play. 工作兼娱乐。 The gamification of hiring. 招聘游戏化。 THE rules of Happy Hour are deceptively simple. You are a bartender. Your challenge is to tell what sort of drink each o
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