[医]咖啡因中毒

VOA慢速英语2013 Caffeine is the ＂Drug＂ of Choice in Many Cultures

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

发表于:2018-12-07 / 阅读(32) / 评论(0)

2013年VOA慢速英语(七)月

2013年ESL之就医和人际交往 05 Using Caffeine as a Stimulant

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

发表于:2018-12-27 / 阅读(105) / 评论(0)

2013年ESL之就医和人际交往

【趣谈英语】咖啡因的那些事-Caffeine Is A Natural Pesticide

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

发表于:2018-12-28 / 阅读(33) / 评论(0)

趣谈英语

VOA慢速英语2013 How Do You Like Your Caffeine -- In Tea or Coffee?

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

发表于:2019-01-12 / 阅读(43) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2013 SCIENCE IN THE NEWS - How Do You Like Your Caffeine -- In Tea or Coffee?

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

发表于:2019-01-12 / 阅读(47) / 评论(0)

2013年VOA慢速英语(三)月

HEALTH REPORT - Caffeine Withdrawal

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

发表于:2019-01-30 / 阅读(73) / 评论(0)

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2-propenoxybenzene

accept of

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adenylosuccinate synthetase