单词：vitamin d 7-dehydrocholes-terol
单词：vitamin d 7-dehydrocholes-terol 相关文章
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
HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect
健康与环境
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
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