笑气,一氧化二氮

Dental Health

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(57) / 评论(0)

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2015年ESL之就医和人际交往 01 Major Dental Work

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)

2015年ESL之就医和人际交往

Gas Shortage Intensifies in Mexico

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(72) / 评论(0)

VOA2003（上）-国际时讯

美国国家公共电台 NPR Dental Schools Add An Urgent Lesson: Think Twice About Prescribing Opioids

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)

2017年NPR美国国家公共电台9月

VOA常速英语2008年-Israel to Redistribute Gas Masks Amid Fears of

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

发表于:2019-01-30 / 阅读(74) / 评论(0)

VOA常速英语2008年（四月）

SCIENCE IN THE NEWS - Dental Health

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)

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