Vitamin D is an essential nutrient that we get through exposure to sunlight and through diet. Without enough Vitamin D, we are at risk for rickets, osteoporosis and bone fractures. Now, researchers have found that Vitamin D deficiency is also associa

发表于:2019-01-11 / 阅读(46) / 评论(0) 分类 VOA标准英语2010年(三月)

India's Prime Minister Manmohan Singh says he wants normalized relations with Pakistan, but that Islamabad must stop allowing its territory to be used for terrorist activities against India. Mr. Singh made the statement during an election rally in I

发表于:2019-01-11 / 阅读(61) / 评论(0) 分类 VOA标准英语2008年(十二月)