[网络] 生物电抗;生物电抗技术

蒋健棠听说学英语 Chapter16:The wildlife biologist

发表于:2018-12-26 / 阅读(88) / 评论(0) 分类 蒋健棠听说学英语

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(75) / 评论(0) 分类 VOA2003(下)-农业与经济

Ross Dunn The Palestinian leadership reacted strongly to statements by President Bush implying Israel has the right to retain some Jewish settlements in the West Bank . Senior Palestinian officials ar

发表于:2019-01-30 / 阅读(42) / 评论(0) 分类 VOA2004(上)--各类新闻

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(83) / 评论(0) 分类 阅读空间

By Dan Robinson Washington 17 July 2007 Majority Democrats and opposition Republicans in the U.S. Congress focused on the fight against terrorism Tuesday as they debated the latest government report on the threat facing the country. As Dan Robinson r

发表于:2019-02-07 / 阅读(80) / 评论(0) 分类 2007年VOA标准英语(七月)