7. Natural Yoghurt beats bad breath Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide - a major cause of bad breath - in 80% of

发表于:2018-11-30 / 阅读(78) / 评论(0) 分类 听美文故事记6级单词

Study: Bad Teeth, Gums Major Problems A new report says nearly four-billion people more than half the worlds population have major tooth decay, or cavities. Health officials warn that poor oral health can lead to social and psychological problems. Pr

发表于:2018-12-16 / 阅读(22) / 评论(0) 分类 VOA标准英语2013年(六月)

Lesson 15 Should Smoking Be Prohibited? Text Passive Path to Death for Non-smokers Alice Trillin was 38 and thought she was in excellent health. Then this completely crazy thing happened. I coughed and a tiny, tiny blood clot took me to get a chest X

发表于:2018-12-16 / 阅读(98) / 评论(0) 分类 日常英语口语

SCIENCE REPORT – February 13, 2002: Oral Health Study By George Grow This is the VOA Special English SCIENCE REPORT. A new report examines the problem of tooth and gum disease in the United States.

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(53) / 评论(0) 分类 VOA慢速英语2008年(三)月

SCIENCE IN THE NEWS - Efforts to Stop Polio Continue FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. On our program this week, we tell about efforts to defeat the disease polio.

发表于:2019-01-12 / 阅读(38) / 评论(0) 分类 2011年VOA慢速英语(五)月