单词：it's not my pigeon
单词：it's not my pigeon 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev
Scientific American(十)月
Australia has opened a new National Center for Bio-Security to build its defenses against infectious diseases and biological weapons. Medical experts say it will help protect the country from threats such as SARS and bird flu as well as attacks by t
VOA标准英语2008年（九月）
模仿文本： Anthrax is a potentially deadly disease that caused by a bacteria. Occasionally it is found in nature but the strain found in the letters is the aim strain developed by the USmilitary after the World War II to research biological weap
英音模仿秀
PARIS, Aug. 19 (Xinhua) -- Marine scientists and representatives from the private sector and military establishments would meet at UNESCO at the end of this month to measure noise's impact on marine life, the Paris-based UN scientific branch UNESCO s
英语新闻
The first national gene bank, built by China's gene research giant BGI, started trial operation last Saturday in Shenzhen. 我国首个国家级基因库上周六在深圳投入试运行。该基因库由国内基因研究巨头华大基因建设。
英语新闻
According to a document released at the conference by China's Ministry of Environmental Protection, the country has established over 2700 nature reserves covering a combined area of nearly 1.5 million square kilometers. That accounts for about 15 per
2016CRI中国国际广播电台