单词：Seamans Food and Sanitation
单词：Seamans Food and Sanitation 相关文章
By Melinda Smith Washington 24 April 2007 One of the largest groups of milk producers in the United States has set an August first deadline for its members to stop treating their cows with a growth hormone, or pay more to get their milk to market. Th
2007年VOA标准英语（四月）
This is the VOA Special English Agriculture Report. Pruning makes no sense. You cut off parts of a plant. Yet the plant is supposed to grow back even better than before? This demands an answer. The explanation begins with the apical bud. This bud is
VOA慢速英语2009年（十）月
SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO
VOA慢速英语2008年（五）月
HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy
2006年慢速英语(十一)月
Researchers believe activity and interaction activated a communication channel in mice that prompted fat cells to stop releasing a hormone which accelerates cancer growth. Related Links Cell New research has found that mice with cancer are better abl
VOA标准英语2010年(七)月
Researchers have stumbled across what may turn out to be a miracle（奇迹） treatment for hair loss in humans. The scientists were investigating how stress affects the digestive system when they made the discovery. The team at the University of Ca
英语新闻