标签：Cycle 相关文章
New assurances this week from NASA that theworld will not end on December 21st. This comes as one British newspaperreports that people on the globe are stockpiling supplies just in case. Join me now was Andrew Fraknoi, the astronomyprofessor of Footh
万花筒2012年
The limpidness lettuce still has a little life left,a new study finds that produce continue to respond to life kills which enable them to keep protecting themselves from insects,and perhaps even enhance their nutritional value to us.Scientists knew t
Scientific American(六)月
Mike出差刚回来，被时差折磨得痛苦不堪，向同事Larry咨询缓解时差的好办法。Larry说， Larry: Some people take herbal medicine, but there's really no solid proof that it works. Some people take sleeping pills and try to sle
礼节美语
Animal-to-Human Disease Cycle Widening Nearly two-and-a-half billion people become ill every year from diseases transmitted from animals. Most are in low- and middle-income countries. A new study lists the top geographical hotspots for these diseases
VOA标准英语2012年(七月)
Clinton: Famine Aid Must Prevent Future Crises The United States has pledged an additional $17 million to nations in the Horn of Africa coping with severe drought. That includes $12 million for Somalia, where tens of thousands of people have died of
VOA标准英语2011年(八月)
尼日利亚开创平民垃圾回收模式 Adeyemi Okuwoga is on the hunt for trash.Neighbors bring out bags of plastic and aluminum waste.He weighs them and carts them off, free of charge. 阿德耶米奥库沃加正在寻找垃圾。邻居拿出成袋
VOA标准英语2016年(一月)
Pakistan's Bonded Laborers Trapped in Cycle of Debt 巴基斯坦契约劳工陷入债务圈套 ISLAMABAD In Pakistan today, more than 2 million people, including children, work as bonded laborers, a system the United Nations describes as modern-day s
VOA标准英语2014年(五月)
Ft.com: China's appetite for British milk, pork, Yorkshire tea and salmon led to a 12 per cent jump in food exports to the country last year but the industry says it needs more government support to exploit rising overseas demand. Steve Barnes, econo
双语趣听精彩世界
By David McAlary Washington 07 March 2006 NCAR scientists Mausumi Dikpati (left), Peter Gilman, and Giuliana de Toma examine results from a new computer model of solar dynamics Researchers predict tha
2006年VOA标准英语（三月）