单词:8-Ethoxycaffeine
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Caffeine is the "Drug" of Choice in Many Cultures From VOA Learning English, this is Science In The News in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and coffee. We tell about
By Amy Katz Washington, DC 28 April 2006 watch Caffeine report Two recently released medical studies show that caffeine is not harmful to the heart. The two long-term studies of coffee drinking habits
Study Finds Caffeine May Help Enhance Long-term Memory 研究发现咖啡因有助于增加长期记忆 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Many people say they can not start their da
Using Caffeine as a Stimulant Joan: Hi, how are you? What are you doing? What is this? Roberto: Whoa! Youre very high- strung this morning. Joan: Am I? I am a little wired. Ive been up all night trying to finish an assignment for one of my classes. R
Pre-Listening Vocabulary caffeine: a drug found in some plants, including coffee seeds and tea leaves pesticide: a substance that keeps insects or harmful materials away from a plant alert: awake and paying attention ward off: to keep away something
Joan: Hi, how are you? What are you doing? What is this? Roberto: Whoa! Youre very high- strung this morning. Joan: Am I? I am a little wired. Ive been up all night trying to finish an assignment for one of my classes. Roberto: You dont seem tired at
86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02
Christmas Celebrated AZUZ: And of course, Christians around the world celebrated Christmas on December 25th, marking the birth of Jesus. One of those celebrations, which you see right here, was held in the city of Bethlehem, the site where Jesus was
Caffeine Merely Masks Alcohol's Effect An animal study in the journal Behavioral Neuroscience finds that coffee after alcohol consumption might merely make the drinker feel more capable, which could lead to bad decision making. Steve Mirsky reports C
How Do You Like Your Caffeine -- In Tea or Coffee? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and coffee. We tell about a s
SCIENCE IN THE NEWS - How Do You Like Your Caffeine -- In Tea or Coffee? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and cof
AS IT IS 2014-04-12 Caffeine and Mental Exercises Improve Memory 咖啡因和精神训练能帮助提高记忆力 Welcome to VOA Learning English. This is As It Is! Im Anna Matteo. On todays show we will talk about wait a minute. What was I going to
By Alisha Ryu Nairobi 24 September 2007 The spokesman for the new Eritrea-based Somali opposition alliance tells VOA that the group's Islamist-led forces are in an all-out war against Ethiopian troops in Somalia in a bid to oust the Ethiopians from t
By Al Pessin Pentagon 23 January 2008 A senior U.S. commander in Afghanistan says Taliban and al-Qaida forces in the Pakistan border area are turning their attention more toward Pakistan, and are working together to hit Pakistani forces. Major Genera
The faithful have flocked to the West Bank town of Bethlehem to celebrate Christmas. Christians gather on Christmas Day inside the Church of Nativity, believed by many to be the birthplace of Jesus Christ, in the West Bank town of Bethlehem, Thursda
Caffeine Safely Stimulates Premaure Infants Almost all babies who are born very prematurely have trouble breathing. For decades, doctors have treated them with the stimulant caffeine, even though there was little scientific evidence to justify it. Br
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
HEALTH REPORT - Caffeine Withdrawal By Jerilyn Watson Broadcast: Wednesday, January 12, 2005 I'm Gwen Outen with the VOA Special English Health Report. Coffee, tea and soft drinks usually contain caff
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
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