Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(62) / 评论(0) 分类 国家地理2008年

ANC Youth League Supporters Protest Violently in Johannesburg Supporters of Julius Malema, the leader of the African National Congress Youth League, protested violently in downtown Johannesburg Tuesday, damaging property, attacking police and journal

发表于:2018-12-08 / 阅读(35) / 评论(0) 分类 VOA标准英语2011年(八月)

on a cloud under a cloud 你们肯定都知道英文里的前置词有时会使人很混乱,它们在句子里虽然不显眼,但是作用却很关键,用错了一个前置词意思可能完全不

发表于:2019-01-09 / 阅读(86) / 评论(0) 分类 美国习惯用语

By Nico Colombant Abidjan 18 February 2006 Extra security forces have been deployed in parts of Nigeria after deadly rioting over cartoons of the prophet Muhammad spread to sub-Saharan Africa. Police

发表于:2019-01-10 / 阅读(98) / 评论(0) 分类 2006年VOA标准英语(二月)

U.S. President George Bush says he is ready to lift some sanctions against North Korea and drop it from the U.S. list of state sponsors of terrorism, after Pyongyang submitted a long-awaited declaration on its nuclear activities. VOA's Paula Wolfson

发表于:2019-01-13 / 阅读(42) / 评论(0) 分类 VOA标准英语2008年(六月)

U.S. authorities report that the number of confirmed swine flu cases in the United States has reached 286 across 36 states. But the Obama administration says it is cautiously optimistic that the outbreak of swine influenza A H1N1 virus will be mild

发表于:2019-01-13 / 阅读(45) / 评论(0) 分类 VOA标准英语2009年(五月)