[化] 藻酸铵; 海藻酸铵膏化剂

HEATHER:I used to rollerskte all the time. [00:28.20]I loved it when I was little.Did you ? [00:30.98]KEVIN:No.I went straight from my pram to a surfboard. [00:35.57]I used to live in the ocean.No wheels required. [00:39.96]2 HEATHER:Well,you're the

发表于:2018-12-03 / 阅读(115) / 评论(0) 分类 直捷英语

In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa

发表于:2018-12-11 / 阅读(78) / 评论(0) 分类 澳洲ABC新闻快递2011年

NigeriaPursuesal-QaidaAffiliatedTerroristsBehindUNBombing Nigerian security services are hunting for those behind last month's bombing of the United Nations headquarters in Abuja that killed 23 people. Muslim fundamentalists who claimed responsibilit

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2011年(九月)

By Alisha Ryu Nairobi 14 March 2007 Government officials in Kenya are vehemently denying media reports that a man, believed to be a close associate of one of the three most wanted al-Qaida operatives in east Africa, has been arrested in the coastal

发表于:2019-01-16 / 阅读(93) / 评论(0) 分类 2007年VOA标准英语(三月)

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 农业与发展

By Sonja Pace London 10 November 2006 Britain's top domestic intelligence chief says authorities are investigating dozens of terror plots and warns of future attacks, which she says could involve chemical or even nuclear devices. ------- Eliza Manni

发表于:2019-01-31 / 阅读(101) / 评论(0) 分类 2006年VOA标准英语(十一月)