单词：infra-black region
单词：infra-black region 相关文章
Broadcast: Jan 29 2003 Two senior U.N. officials warn the HIV/AIDS pandemic in southern Africa is changing the nature of 1) famine in the region and is 2) unleashing a disaster that threatens the exis
VOA2003（上）-健康之旅
Theres nothing anywhere near as extreme as a black hole. The disturbing truth about black holes is that there are boundary between the known universe and the place that would forever lie beyond the reach of science. They are in an anomaly of gravity
探索与发现2013年
There were apparently nonsensical structures of space and time, spat out when Albert Einstein's equations weretaken to their extreme conclusion. Einstein's theory of relativitydoes lead us into very strange and unfamiliar paths. Einstein himself didn
探索与发现2015年
By Douglas Bakshian Manila 08 October 2007 The Asian Development Bank says Asia and the Pacific are behind in meeting certain parts the United Nation's Millennium Development Goals. A new report by the ADB and the U.N. Development Program says progre
2007年VOA常速英语（十月）
In the Pacific state of Hawaii, U.S. President Barack Obama on Sunday told leaders of the 21 Asia Pacific Economic Cooperation economies that the region will be key to U.S. economic recovery. With much of the formal summit activity, including a worki
英语新闻
Residents of the breakaway Georgian region of Abkhazia voted for a new president Friday, three years after Russia recognized the region, and another breakaway area, South Ossetia, as independent states. Three candidates are hoping to replace Presiden
英语新闻