单词:benzene sulfinate
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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
A steaming mug of coffee helps me wake up in the morning.But it can do more than just keep your eyes open. Caffine may actually boost your memory. Researchers gathered 160 uncaffinated adults, people who consumed less than 500 milograms of caffine in
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
MOSCOW, Oct. 19 (Xinhua) -- The second day of the FINA Swimming World Cup wrapped up here on Wednesday, with four Chinese swimmers won medals in competitions. In women's 200m butterfly, China's Gong Jie won the gold medal in 2:04.32, while South Kore
By Nancy Steinbach Broadcast: July 9, 2003 This is Steve Ember with the VOA Special English Health Report. An American study has shown mixed results in testing the effects of a drug as a way to preven
Afghanistan's booming economy is relatively immune, so far - to the financial turmoil swirling around the world. But the country's bankers worry that the global meltdown could make it even harder for them to meet the pent-up demand for loans. VOA Co
Some examples of business competitions for young people. Also, a bookstore where students can learn business skills, but the main goal is to improve English literacy. Transcript of radio broadcast: 11 June 2008 This is the VOA Special English Educat
This is the VOA Special English Economics Report. BP is one of the world's largest energy companies. It reported a profit of about six billion dollars in the first three months of this year. That was more than double compared to a year ago. Now, BP f
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,
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
USA skeleton competitor Zach Lund poses for a portrait during the USOC Media Summit in Chicago. Lund was suspended for a year and booted from the 2006 Turin Olympics because of a hair-growth product that at the time contained a banned substance. He's
America's top financial officials say they need broad new powers to regulate companies like insurance giant AIG, which are partly blamed for the country's financial crisis. Treasury Secretary Timothy Geithner and Federal Reserve Chairman Ben Bernank
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
AUDIE CORNISH, HOST: The breakout star of Crazy Rich Asians goes by one name, Awkwafina. Clever and profane, she catapulted to Internet fame back in 2012, when she released a music video about - and this might offend some people - a slang word for he
As thousands of turtles arrive at a beach in Oaxaca, Mexico, to lay their eggs this season, federal and local authorities have been deployed to protect them against poachers. As the turtles nest on the Pacific coast, Mexican Navy patrols keep watch a
BERLIN, July 14 (Xinhua) -- Japan and the United States roared into the FIFA Women's World Cup final on Wednesday. Japan rallied to beat Sweden 3-1 in Frankfurt while earlier the United States eased past France 3-1 in Moenchengladbach. In Japan, it i
By Scott Bobb Lisbon 10 December 2007 The Africa-European Union summit ended Sunday in Portugal with agreement on many global challenges but with differences on other key issues. Correspondent Scott Bobb has this report from Lisbon. European and Afri
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
Latina Playwright Josefina Lopez Tells Immigrant Stories Josefina Lopez speaks with actor Rene Rivera about his one-man play. Called The King of the Desert, it deals with his struggles growing up in a barrio, or ghetto, in Texas near the U.S. border
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