单词：3-hydroxy-5-methoxy-p-touquinone
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Sanitation Pioneer Offers India's 'Untouchable' Women New Lease on Life Soon after it gained independence, modern India outlawed discrimination against so-called untouchables, the lowest of social classifications outlined in Hindu scripture. In reali
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How to Go Along with the Tough Boss 如何与难对付的老板相处 A boss with difficult to get along maybe destroy the best jobs, but you are not powerless. Try the boss-taming strategies below, before you consider quitting your work. Few people
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86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02
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Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in
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Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p
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Mariama Diallo 28 April 2010 As South Africa prepares to host the first World Cup ever on the African continent, a group of South African women over 50 are playing in a local tournament, hoping to raise funds for an upcoming tournament in America - t
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The 53rd annual Grammy Awards will be presented on February 13 in Los Angeles. There are many top contenders in the Country categories. Free by the Zac Brown Band is nominated for two Grammy Awards: Best Country Song and Best Country Performance by a
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By Cynthia Kirk ENVIRONMENT REPORT -May 31, 2002: Coqui Frogs Invade Hawaii This is the VOA Special English ENVIRONMENT REPORT. Experts say the American state of Hawaii has been invaded by a small fro
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Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the
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In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾
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Raw anti-drug campaign awakens state Ted Landphair | Missoula, Montana 04 February 2010 Photo: Montana Meth Project Adults across Montana were frightened by what they were seeing. Some hardly recognized their meth-addled teenagers. Related Links Mont
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By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi
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By Phillip Walter Wellman Doha 02 November 2009 Serena Williams, right, holds trophy after winning singles final against Venus Williams, left, in Doha, 01 Nov 2009 Serena Williams has won the WTA Championships in Doha by defeating the defending cham
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Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in
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Voice 1 Welcome to Spotlight. Im Ruby Jones. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 It was very difficult to disput
环球英语 Spotlight
Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re
环球英语 Spotlight