梯度淋洗色谱法

11. Power without Pollution Pollution is a big problem in almost all the big cities of the world. City people are, therefore, becoming more and more worried about how they can get rid of pollution. Th

发表于:2018-11-27 / 阅读(394) / 评论(0) 分类 赖世雄中级美国英语

interpret escort fill magician magistrate magnet levy retirement proximity maid reconciliation guitar perfume migrant gradient storage malice mammal maneuver manifest deafen foreign abstract maple

发表于:2018-12-01 / 阅读(123) / 评论(0) 分类 用Mp3背六级单词

Peter Heinlein The United States and Britain have offered the U.N. Security Council a fresh draft resolution that would grant sovereignty to Iraq's interim government at the end of this month. The res

发表于:2018-12-08 / 阅读(81) / 评论(0) 分类 VOA2004(上)--各类新闻

发表于:2019-01-02 / 阅读(50) / 评论(0) 分类 英文笑话

IN THE NEWS - November 16, 2002: Iraq Accepts UN Resolution By Caty Weaver This is Steve Ember with the VOA Special English program IN THE NEWS. Iraq has announced its acceptance of a United Nations r

发表于:2019-01-02 / 阅读(60) / 评论(0) 分类 教育与新闻

ENVIRONMENT REPORT — March 15, 2002: Nuclear Pollution and Cancer By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. A recent report by the USA Today newspaper says that a large amo

发表于:2019-01-04 / 阅读(76) / 评论(0) 分类 健康与环境

By Cynthia Kirk ENVIRONMENT REPORT -March 22, 2002: Air Pollution/Lung Cancer This is the VOA Special English ENVIRONMENT REPORT. Researchers have completed a major study on the health effects of air

发表于:2019-01-09 / 阅读(65) / 评论(0) 分类 健康与环境

IN THE NEWS - Looking for a Solution to Syria 新闻报道 - 叙利亚困局求解 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 Arab League foreign ministers are expected to meet in Cairo on Sunday to d

发表于:2019-01-12 / 阅读(75) / 评论(0) 分类 2012年VOA慢速英语(二)月

Delegates to conference express support for idea of reintegrating Taliban militants into society, but analysts say plan will be tough sell in region Sean Maroney | Islamabad 28 January 2010 Afghan President Hamid Karzai makes a speech during the Open

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2010年(一月)

We are still not up to meeting the needs of the Haitian people as far as the amount of supplies that are there -- US Air Force General Douglas Fraser U.S. military commanders overseeing food and water distribution in Haiti acknowledged Thursday that

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2010年(一月)

Unwanted Music is Noise Pollution to Some You probably like at least some sort of music. Tunes that you pick out. Problem is, in lots of places across the United States, youre forced to hear somebody elses choice in music. Say youve just landed at an

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2012年(三月)

US Advocates Political Solution in Mali The Obama administration says it shares French military goals in the fight against Islamist militants in northern Mali and will help the Economic Community of West African States -- or ECOWAS -- send their own

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2013年(一月)

Defense attorneys for former Liberian president Charles Taylor say testimony from prosecution witnesses is tainted by cash payments from a special fund provided by the United States. Mr. Taylor's war crimes trial is drawing to a close after more than

发表于:2019-01-14 / 阅读(161) / 评论(0) 分类 VOA标准英语2011年(三月)

Todd: So, Phil, I'm thinking about going to China and I'm really into nature. I love wildlife. Can you recommend anything to me? Phil,我正打算去中国看看,我非常喜欢亲近大自然,我还喜欢野生动物。你能给我推荐一些景

发表于:2019-01-15 / 阅读(81) / 评论(0) 分类 实战口语情景对话

When you think you've seen everything that could possibly be done with nail art, manicure devotees prove you wrong. Step forward the new trend blowing up on Instagram for 'bubble' nails, where acrylic is piled up on top of the nail and thinned out to

发表于:2019-01-28 / 阅读(74) / 评论(0) 分类 阅读空间

Iraqi Officials Ask Donors to Speed up Distribution of Financial Assistance Kerry Sheridan Representatives from some 40 donor countries financing Iraq's reconstruction program open a two-day meeting i

发表于:2019-01-31 / 阅读(214) / 评论(0) 分类 VOA2004(上)--各类新闻

今天我们要学的词是pollution。 Pollution, 是污染的意思。 Air pollution, 空气污染。 Water pollution, 水污染。 Beijing's chronic pollution has been one of the biggest headaches for the Olympic Games organizers, 北京长期的空

发表于:2019-02-04 / 阅读(56) / 评论(0) 分类 英语单词荟萃

Ohio Lake Erie, the smallest of North Americas five Great Lakes, supplies fresh drinking water to an estimated 11 million people in Ohio, Michigan and southern Ontario province, Canada. Yet sometimes pollution, both from industrial waste and farm-che

发表于:2019-02-04 / 阅读(70) / 评论(0) 分类 英语新闻

Shell in Court Over Nigeria Pollution Charges LONDON The international oil and gas company Royal Dutch Shell was in court Thursday facing charges of polluting Nigerian villages. The case has been brought in a civil court in The Hague by four Nigerian

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 英语新闻

BEIJING. Feb. 5 (Xinhua) -- Beijing authorities asked the public to cut firework celebrations and said they have reduced stocks of the items, as firework sales began on Tuesday for the upcoming Chinese Lunar New Year. Three authorized retailers in Be

发表于:2019-02-04 / 阅读(73) / 评论(0) 分类 英语新闻
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