字源大挪移 Prefix - 表示数字的字首 43 di-,dicho-

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Vitamin D

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

2006年VOA标准英语-Kenyan Coast Gets Shot of Vitamin A With Uncomm

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

不择手段背单词(739):bedizen把…装饰得过分华丽而

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽 【记】bed床

专业术语—中草药成分英汉对照词汇H2

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

VOA标准英语2010年-Vitamin D May Protect Against Heart At

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慢速英语-Health Report - Among Vitamins, D Seems Short for 'D

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2011-Health Report - Iron, Vitamin D May Lead

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

VOA标准英语2008年-Study Shows Vitamin D Affects Breast Cancer Out

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2012--Researchers Say Malaria Drug Could Also Treat Cancer

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

VOA标准英语2011--Study: Vitamin D is Powerful Weapon Agai

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--Vitamin E Linked to Higher Prostate Canc

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-Study Shows Vitamin E Increases Prostate

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

Shappi Korsandi – Stand up

BBC Learning English Weekender Shappi Korsandi Stand up Callum:Hello, I'm Callum Robertson and this is Weekender. The Edinburgh International festival is a month-long arts and cultural festival held in August in Scotland's capital city, Edinburgh. A

Vitamin C and DNA

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

DEVELOPMENT REPORT - Vitamin-Enriched Drinks

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

AGRICULTURE REPORT - Vitamin E and Poultry Health

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

HEALTH REPORT - Study: Sunshine and Vitamin D May Improve Lu

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

上海科学家研发防水耐火纸 有助纸质文物保存

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾

流行美语 第133课 - Dibs / Shotgun

今天Larry和李华要到朋友Bob家里，Bob因为要搬家，所以把他的立体音响卖给Larry。今天李华会学到两个常用语：dibs和shotgun. LL: I'm really glad that Bob gave me fi