单词:vitamin B9
单词:vitamin B9 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
[00:00.51]王迈迈英语B级考试全真模拟试题与详解test9 [00:00.63]test9 [00:03.57]Part I [00:05.72]Section A [00:08.04]Directions: [00:10.26]This section is to test your ability to give proper answers to questions. [00:15.38]There are 5 recorded question
Vitamin B9 is also known as folic acid or folate. Technically, folate is the term for the vitamin B9 that is found naturally in foods, while folic acid is the name for the synthetic supplement that is added to foods and vitamins. 维生素B9也称为叶
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
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