07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(58) / 评论(0) 分类 科技之光

This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?Sharing syringes is a big no-no.Despite the warnings,needles sharing among injection drug users are still a significant cause for the spread of HIV and other infectiou

发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 Scientific American(一)月

Major Dental Work Sadie: Hi, Im Sadie. You must be Gordon. Gordon: Yes, I am. Its nice to meet you. Its a little strange to be set up, isnt it? Sadie: It was nice of Felina and Jaime to arrange this date. Gordon: It was. Jaime told me that youre a de

发表于:2018-12-27 / 阅读(66) / 评论(0) 分类 2015年ESL之就医和人际交往

ROBERT SIEGEL, HOST: On the front lines of the opioid crisis, it's a familiar story - the addict whose first exposure to opioids was a legitimate prescription usually from an M.D. but sometimes from a dentist. In 2012, the last year for which we have

发表于:2019-01-16 / 阅读(54) / 评论(0) 分类 2017年NPR美国国家公共电台9月

SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 科技之光

A court in China's Xinjiang region has sentenced three people to up to 15 years in jail in the first trials over a recent series of syringe attacks. The court did not give the defendants' ethnicity(种族) but their names suggest they are from the Musl

发表于:2019-02-02 / 阅读(46) / 评论(0) 分类 英语新闻