85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 科技之光

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(73) / 评论(0) 分类 VOA2003(下)-农业与经济

Sudan's president Omar al-Bashir is set to arrive in Istanbul for a summit meeting on African Turkish economic cooperation. The trip is President Bashir's first outside of Sudan since the International Criminal Court's chief prosecutor requested an

发表于:2019-01-07 / 阅读(31) / 评论(0) 分类 VOA标准英语2008年(八月)

Election Politics Threatens to Derail Deficit Committee In Washington, the congressional supercommittee appears on the verge of failure as it nears a Wednesday deadline to cut the country's $15-trillion debt by at least $1.2 trillion over the next 10

发表于:2019-01-13 / 阅读(38) / 评论(0) 分类 VOA标准英语2011年(十一月)

Jamaat-e-Islami is one of several conservative religious parties in Pakistan. The May 11 ballot will be the first time it vies for votes on its own. Party official Khurshid Ahmad said Jamaat-e-Islami appeals to Muslims who want clear, ethical governa

发表于:2019-01-14 / 阅读(57) / 评论(0) 分类 VOA标准英语2013年(五月)

俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(81) / 评论(0) 分类 阅读空间