单词：parachloromercuribenzene sulfonate(PCMBS)
单词：parachloromercuribenzene sulfonate(PCMBS) 相关文章
1992年第25届巴塞罗那奥运会闭幕歌曲《Amigos para siempre》 《永远的朋友》是1992年巴塞罗那奥运会的主题歌。 amigos para siempre在西班牙语中是一生 的朋友之意。 参与制作这首巴塞罗奥运会那奥运
奥运歌曲
Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find
生活英语情景口语
被困在不健全的制度下，一个国家怎么可能脱贫呢？经济学家Paul Romer提出全新见解：特别市，由多国联合政府管理的、城市规模的管理区域。(关塔那摩湾会变成下一个香港么？)
TED公开课:贫穷至进步
River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do
VOA标准英语2011年(十月)
This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr
Scientific American(八)月
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 作品简介 ： curi射狐狸 方向键的 键控制方向，空格键射击
英语娱乐小游戏
By Anjana Pasricha New Delhi 19 July 2007 Indian lawmakers have begun voting to choose the country's next president, and Pratibha Patil is widely expected to become the first woman to hold the post. The position is largely ceremonial, but as Anjana P
2007年VOA标准英语（七月）
By Lisa Schlein Geneva 24 August 2007 United Nations aid agencies say the situation in Peru's earthquake affected areas is moving rapidly from one of emergency to rehabilitation and reconstruction. But the agencies say there is still a great need of
2007年VOA标准英语（八月）
U.S. Vice President Joe Biden says he is withholding judgment on Iran's presidential election, as protests continue in Tehran over election results showing a landslide re-election victory for President Mahmoud Ahmadinejad. Vice President Joe Biden,
VOA标准英语2009年(六月)
By Sean Maroney Islamabad 28 September 2009 The head coordinator for the U.N. Humanitarian Affairs office in Pakistan says his agency is ready to handle what is expected to be a large number of families fleeing the South Waziristan tribal region as
VOA标准英语2009年(九月)
The U.N. Security Council has imposed sanctions on 10 additional entities and individuals linked to North Korea's nuclear or ballistic missile development programs. It has also banned the transfer to or from North Korea of two types of goods that co
VOA标准英语2009年(七月)
BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag
Weekender
By Sonja Pace Heiligendamm 07 June 2007 Leaders of the world's richest industrial nations wind up their three days of meetings in northern Germany on Friday. Their last day is to be devoted mostly to Africa - alleviation of poverty, debt relief and a
2007年VOA标准英语（六月）
By Mike O'Sullivan Los Angeles 11 February 2008 Striking Hollywood writers could return to work this week to end a three-month strike that has crippled film and television production. The news raises hopes that the Academy Awards, or Oscars, may go a
VOA常速英语2008年（二月）
从古至今，人类在不停地探索能够象鸟儿一样自由自在飞翔的方法，随着科技的进步和现代航空技术的发展,人类发明了各种飞行工具，滑翔伞就是其中一
奥运英语
今天我们要学的词是thumbs-up。 Thumbs-up, 是翘大拇指，表示满意和赞赏。 The movie got a thumbs-up from the critics, 这部影片得到了影评人的好评。 Her performance was given a thumbs-up by her coach, 她的表演得到了
英语单词荟萃
SAN FRANCISCO, Oct. 27 (Xinhua) -- Hewlett-Packard(HP) on Thursday announced that it will keep its personal systems group ( PSG) and continue to sell personal computers. HP objectively evaluated the strategic, financial and operational impact of spin
英语新闻
Business 商业报道 Microsoft and the PC industry 微软和PC行业 Defenestrated 即将被抛弃 Steve Ballmer is a casualty of the personal computer's rapid decline 史蒂夫鲍尔默是个人电脑产业迅速下滑的牺牲品。 UNTIL August 2
经济学人商业系列
Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
阅读空间
SAN FRANCISCO, Aug. 22 (Xinhua) -- Hewlett-Packard (HP) on Monday unveiled a new business desktop computer, days after the world's largest personal computer (PC) maker announced its plan to sell its PC business. The company said the new model, HP Com
英语新闻