单词：Histadoxylamine
单词：Histadoxylamine 相关文章
86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02
科技之光
Abolitionists and Amistad Raise Slavery Issue From VOA Learning English, welcome to The Making of a Nation our weekly program of American history for people learning American English. Im Steve Ember in Washington. Last week on our program, we talked
2014年VOA慢速英语(四)月
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
英语博客 A cup of English
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
2007年VOA标准英语（五月）
Beginners. The color yellow is very 'in' at the moment, mainly because of the Tour de France. It is a spectacular event that my husband and I follow every year. Infact, now that it is over, we are in mourning. What are we going to do now, Babe? I ask
英语博客 A cup of English
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
英语博客 A cup of English