标签：Cluster 相关文章
Education Report - Mali Conflict Keeps Children Out of School 教育报道 - 马里冲突使得多数儿童失学 From VOA Learning English, this is the Education Report in Special English. 这里是美国之音慢速英语教育报道。 Students an
2012年VOA慢速英语(十)月
By Lisa Schlein Geneva 31 August 2006 U.N. agencies are joining forces to clear unexploded munitions they say is endangering the lives of tens of thousands returning to Lebanon. The U.N. refugee agency (UNHCR) has signed a formal partnership with th
2006年VOA标准英语（八月）
Cluster Munitions Treaty Hits Four-Year Mark 禁止集束炸弹条约四周年 August 1 is the fourth anniversary of the treaty banning cluster bombs. Supporters say stockpiles of the weapons are being destroyed in record numbers. However, they say t
VOA标准英语2014年(八月)
The global financial crisis has drained the world's capacity to deal with further shocks, according to the World Economic Forum's new Global Risks Report. The Forum says 20th century systems are failing to manage 21st century risks. In this year's Gl
VOA标准英语2011年(一月)
Measuring the brightnesses and colors of the stars in the globular cluster, we can figure out how old they are. Here is the remarkable thing: they are very old. Globular clusters, at least the stars in the globular clusters, in many cases, are almost
自然百科2011年
By Sabina Castelfranco Rome 04 July 2006 Just hours to go for the Italian and German national soccer teams to face off against each other in the World Cup semifinal in Germany. Fans are getting ready for what they hope will be a great game of soccer
2006年VOA标准英语（七月）
The Lowest Note in the Universe 宇宙中的最低音 It's coming from a black hole in the Perseus Cluster, about two hundred fifty million light years away. A black hole？And outer space？That makes sound? Whats happening out there is that interga
英语听力文摘 English Digest