单词：Pott's caries
单词：Pott's caries 相关文章
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哈利波特与魔法石
Along Israel's Border, Preparations Made for Iran-Backed Attacks Israel and the United States are planning joint military exercises in early 2012 with a focus on missile defense. The moves come amid recent Israeli media reports that Israel's governme
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Stephen Foster, 1826-1864: America's First Popular Songwriter He wrote more than two hundred songs during the eighteen forties and eighteen fifties. VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the VOA Special English program
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Saturated solutions - Salts such as the apatites do not readily become ionized and dissolve in water. When no more ions can dissolve the solution is said to be saturated. The concentration of ions in
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This year, visitors to Northern California's Napa Valley region will have lots more than great wines and rolling vistas to enjoy. VOA's Adam Phillips offers a taste of these and other Napa pleasures in this report. California's Napa Valley is now fa
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By Delia Robertson Johannesburg 13 November 2007 Next month, South Africa's African National Congress will hold its national conference to endorse policy decisions taken earlier this year and to elect leaders, including the party president who, since
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This is the VOA Special English Health Report. Rachel Valltos and Evan Sapperstein are dentists who share an office and a life together. In nine years of marriage, they have built not just a successful dental practice, but also a family. Rachel and E
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Government officials from more than 30 countries gathered in Hungary Friday for the opening of Central and Eastern Europe's first conference center powered by renewable energy. The building of the Regional Environmental Center for Central and Easter
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Experts: Africa's Energy Facilities Could Face More Sophisticated Attacks Terrorists with links to al-Qaida stormed a gas production complex in Algeria in January. They wrecked equipment and took hostages. Government forces re-took the facility, but
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OSLO, June 9 (Xinhua) -- Usain Bolt ran the year's fastest time of 19.86 seconds to grab the men's 200m title at the Bislett Games here on Thursday in rainy conditions. Bolt delighted the crowd at Oslo's premiere athletics stadium with his usual pre-
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By Benjamin Sand Islamabad 01 June 2007 Afghan police are under attack as Taleban insurgents target the country's vulnerable security force. From Islamabad, VOA correspondent Benjamin Sand says militants have mounted a series of attacks on local poli
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2017CRI中国国际广播电台
Part four 第四章 An Explanation of Dental Caries 有关龋齿的解释 Why do I have so many cavities，Doctor? 医生，为什么我有这么多蛀牙？ It seems that every time I go to the dentist，there are at least three or four new ones. 好像
口腔临床英语对话