单词:deuteriochloroform
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This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.
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Chloroform Poisoning Might Have Killed Odessa Activists 敖德萨活动人士或许死于氯仿中毒 ODESSA, UKRAINE Ukraine's government says 32 pro-Russian activists who died during a fire in a building they had taken over early this month in Odes
DIALOG 24 laurance--How's school going? soony--Just fine.I finally got the grant to go to graduate school. laurance--Great!Are you starting your doctorate? soony--That's right.I'm going to do it in bi
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IN THE NEWS - December 7, 2002: Saudis Dispute Terror Critics By Jerilyn Watson This is Steve Ember with the VOA Special English program IN THE NEWS. This week, the government of Saudi Arabia announce
Your boss has a bigger vocabulary than you have. That's one good reason why he's your boss. This discovery has been made in the word laboratories of the world. Not by theoretical English professors, but by practical, hard-headed scholars who have bee
HEALTH REPORT -June 12, 2002: Lutein By Nancy Steinbach (Picture -Laretta Geren) This is the VOA Special English Health Report. Recent research has suggested that a nutrient called lutein (LOO-teen) m
RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil
Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We
RIO DE JANEIRO, March 11 (Xinhua) -- Legendary swimmer Michael Phelps has ruled out the possibility of competing at the Rio 2016 Olympics, saying he is happier in retirement. Speaking ahead of Monday night's Laureus World Sports Awards in Rio de Jane
RIO DE JANEIRO, Feb. 18 (Xinhua) -- Rio de Janeiro city mayor Eduardo Paes says preparations for the 2016 Olympic Games are on track despite lingering concerns about a lack of new hotels. Speaking on the opening day of a four-day meeting between Braz
SAO PAULO, Feb. 12 (Xinhua) -- Former world No. 1 Rafael Nadal has revealed the Rio 2016 Olympic Games has provided him with motivation to continue his career beyond the age of 30. The 11-time grand slam winner is competing in both the singles and do
RIO DE JANEIRO, March 23 (Xinhua) -- Brazil soccer legend Romario declared on Friday that he has no intention of running for the president of the Brazilian Confederation of Soccer (CBF). However, the now congressman endorsed Ronaldo to command the fu
RIO DE JANEIRO, Sept. 26 (Xinhua) -- Rio de Janeiro has the highest level of air pollution in Brazil, and is more polluted than many other world metropolis like New York, London and Paris, a World Health Organization (WHO) study said Monday. Accordin
RIO DE JANEIRO, Dec. 7 (Xinhua) -- The son of former Brazil great Romario has signed his first professional contract with Brazilian third-tier side Brasiliense. Romarinho, 19, joined the Brasilia-based outfit on Thursday, less than 24 hours after qui
Chinese young paddler Xu eyes on Rio Olympics SUZHOU, East China, Aug. 24 (Xinhua) -- Just back home from London two weeks ago, one of China's most hopeful paddlers Xu Xin has set his eyes on the next Olympic Games in Rio four years later. Having sta
RIO DE JANEIRO, Aug. 3 (Xinhua) -- Days after claiming its first Olympic judo gold medal in 20 years, Brazil has set itself the bold task of being the most successful nation in the sport at the Rio 2016 Games. Sarah Menezes' victory over Romania's de
本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou
Here is a look at how China has performed at the most recent Olympics. China were second in the standings in London with 88 medals overall including 38 golds. That left them eight golds behind the United States, but leading hosts Great Britain by nin