单词：provitamin A carotenoid
单词：provitamin A carotenoid 相关文章
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英文魔法师字源大挪移
Broadcast: Feb 5, 2003 By Jerilyn Watson This is the VOA Special English Health Report. For many years, scientists have known that people need Vitamin D. The body needs the vitamin to have normal leve
VOA2003（上）-健康资讯
By Paula Wolfson White House 31 May 2006 View Bush comments on Iraq allegations (Real Video) President Bush says he is troubled by allegations U.S. Marines killed unarmed Iraqi civilians last year in the city of Haditha. Mr. Bush says if laws were b
2006年VOA标准英语（五月）
[00:17.36]Figure On The Proch [00:26.40]门廊鬼影 [00:36.51]Back in the early 1980s my aunt lived in a house [00:41.27]that was literally located in the middle of nowhere. [00:46.05]It used to really creep my younger brother and me out, [00:50.28]but
英语灵异故事
[00:17.23]Figure On The Proch [00:26.43]门廊鬼影 [00:35.14]I lay back down and tried to go back to sleep. [00:39.57]After I had lain there for about 5 minutes, [00:43.12]I started to hear a tapping sound. [00:45.77]I listened for a minute, [00:48.07]
英语灵异故事
You know, I just wanna say one brief thing about something the previous speaker said. I didn't wanna spend too much time on that 'cause I don't think it's important enough. But one thing is worth considering. He's the -- He's the nominal head of an
名人演讲
Larry到李华住的地方，去看她新领养的猫咪小雪球。今天李华会学到两个常用语：mental和pro. LL: Snowball is adorable! She's so little and fluffy! LH: 就是啊，我的猫咪
美国之音《流行美语》
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
This is the VOA Special English Health Report. Many people have low iron in their blood. But pregnant women need extra iron for their own health and their baby's health. Iron is important to the development of a baby's brain and central nervous syste
2011年VOA慢速英语(一)月
By Carol Pearson Washington 23 May 2008 Breast cancer researchers have recently come to some important conclusions for women. The universities of Chicago and Toronto released a study that shows a link between the spread of breast cancer and vitamin D
VOA标准英语2008年（五月）
Study: Vitamin B12 Deficits in Older Adults Linked to Brain Decline
VOA标准英语2011年(十月)
Study: Vitamin D is Powerful Weapon Against TB Vitamin D plays a critical role in fighting infection and now scientists say that it may be a powerful weapon against tuberculosis. In a study reported in the journal Science Translational Medicine, rese
VOA标准英语2011年(十月)
Vitamin E Linked to Higher Prostate Cancer Risk A new study finds a link between vitamin E - a popular dietary supplement - and an increased risk of prostate cancer. Ten years ago, scientists launched the Selenium and Vitamin E Cancer Prevention Tria
VOA标准英语2011年(十月)
Study Shows Vitamin E Increases Prostate Cancer Risk A number of medical studies over the years suggested that vitamin E, taken as a dietary supplement, might help prevent prostate cancer. But new research finds not only that the earlier studies were
VOA标准英语2011年(十月)
67 维生素C能否破坏DNA？ DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59
科技之光
DEVELOPMENT REPORT – April 15, 2002: Vitamin-Enriched Drinks By Jill Moss This is the VOA Special English Development Report. The Coca-Cola Company is developing a new healthy drink for people in de
农业与发展
AGRICULTURE REPORT - Vitamin E and Poultry Health By Mario Ritter Broadcast: Tuesday, August 17, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Researchers say extra vitamin
农业与发展
HEALTH REPORT - Study: Sunshine and Vitamin D May Improve Lung Cancer Survival By Cynthia Kirk Broadcast: Wednesday, May 18, 2005 I'm Gwen Outen with the VOA Special English Health Report. Sunlight he
健康与经济
今天我们要学的词是pro-life。 Pro-life意思是反对妇女有堕胎的选择权。Pro-life的对立面是 pro-choice，支持妇女的堕胎权。美国总统奥巴马不久前在圣母大学发表毕业演讲。Hundreds of pro-life activis
英语每日一词