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Adults can have a tough time learning a new language. Some opt for language immersion, in which the person spends all their time reading, listening to and speaking the new language. Now research reveals that immersion students do indeed learn the new
Scientific American(十一)月
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Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H
60秒科学
By Noel King Khartoum 20 October 2006 The Sudanese army has denied that its forces are badly demoralized after losing two key battles against rebels in Darfur. Jan Pronk Thearmystatement followed comments by a top United Nations envoy in Sudan. Unit
2006年VOA标准英语（十月）
Como la flor Con tanto amor Yo s que tienes un nuevo amor Sin embargo, te deseo lo mejor Si en m, no encontraste felicidad Tal vez, alguien ms te la dar Como la flor Con tanto amor Me diste t, Se marchit Me marcho hoy Yo s perder Pero, ay, cmo me due
The Voice 美国好声音
By VOA News Johannesburg 06 November 2007 Sudan's President Omar al-Bashir and South African President Thabo Mbeki have been holding talks in Capetown to discuss the deteriorating situation in Darfur and the deployment of additional peacekeeping troo
VOA常速英语2007年（十一月）