单词：right recursive form
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This is the VOA Special English Health Report. Vitamin D helps bones and muscles grow strong and healthy. Low levels of vitamin D can lead to problems like rickets and osteoporosis. Rickets is a deformity mainly found in children. Osteoporosis is th
VOA慢速英语2009年（九）月
To Juice or Not to Juice? 果汁该喝还是不该喝? Nutrition 营养 Juice may be tasty, but its not really that nutritious. While orange juice is an excellent source of vitamin, it doesnt contain a significant amount of other minerals and vitamin
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Let's return to that issue of vitamins. It's got you going on Twitter this morning. Would you give your child vitamins under 5? England's chief medical officer says you should, because rickets is on the rise. So let's find out more, from GP Dr. Ali K
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This is the VOA Special English Health Report. In recent years, research has suggested more health value from vitamin D than had once been thought. Vitamin D is found in eggs and other foods and is also added to milk Vitamin D is produced naturally i
VOA慢速英语2007年（一）月
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
VOA标准英语2010年(三月)
Studies are finding that the vitamin known for building strong bones may also help prevent many diseases. Transcript of radio broadcast: 15 July 2008 This is the VOA Special English Health Report. Vitamin D helps bones and muscles grow strong and he
VOA慢速英语2008年（七）月