单词：di-N-acetylchitobiose
单词：di-N-acetylchitobiose 相关文章
By Lisa Schlein Geneva 15 December 2007 Three research studies show that Iraqi refugees in Syria, Jordan and Lebanon are living under precarious circumstances. The UN refugee agency says the studies, which were conducted over the last few months, fin
VOA常速英语2007年（十二月）
By Melinda Smith Washington 25 March 2008 The World Health Organization estimates there are about 18 million people with Alzheimer's disease. And that figure is expected to double by the year 2025. Many of those Alzheimer's patients will live in deve
VOA标准英语2008年（三月）
Faiza Elmasry | Washington, DC 21 December 2009 Photo: http://dtourmovie.com Music is a challenge and joy for Pat Spurgeon A new documentary about a man's search for a living kidney donor combines medical drama and rock music. Pat Spurgeon is the dru
VOA标准英语2009年(十二月)
AGRICULTURE REPORT - Officials Suspect Exotic Newcastle Disease Killed Chickens in Brazil By Mario Ritter Broadcast: Tuesday, June 07, 2005 I'm Gwen Outen with the VOA Special English Agriculture Repo
农业与发展
By Jessica Berman Washington 06 December 2007 Children who are overweight are at significant risk of developing heart disease as adults. That's the conclusion of two studies published in this week's New England Journal of Medicine , which predicts wh
VOA常速英语2007年（十二月）