单词：dentinal system
单词：dentinal system 相关文章
Al-Awlaki's Death Leaves Gap in al-Qaida The death of a senior al-Qaida figure by a U.S. air strike in Yemen leaves a gap in the senior ranks of what counterterrorism officials say is the most lethal of the group's franchises, Al-Qaida in the Arabian
VOA标准英语2011年(十月)
Al-Awlaki Was Prominent Al-Qaida Voice Aimed at West Radical cleric and wanted terrorist Anwar al-Awlaki was killed Friday in Yemen in what news reports say was a coordinated air strike by the U.S. Central Intelligence Agency. Al-Awlaki was an Americ
VOA标准英语2011年(十月)
How's the weather today? It's really cold. Let's stay inside. How do you feel? I'm fine. That's good. How are you feeling? Not too good. Sorry to hear that. Is everything okay? I feel sick. That's too bad. What's wrong? I have a headache. Here's some
英语词组对话
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
Proposal 求婚 My boyfriend proposed to me. 男友跟我求婚了. As he told me, I thought excited and shy. 当他跟我说的时候,我觉得很兴奋又害羞. We've gone now since 1999. 我们从1999年就已经开始交往. It made me so happy and I decided to marry him in 3 mont
不用背句型学英语
Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo
英伦广角
By Stephanie Ho Washington 01 January 2006 U.S. health officials acknowledge they do not know if the H5N1 flu virus that has led to the deaths of millions of poultry in Asia and has recently been foun
2006年VOA标准英语（一月）
117. I havent seen Xiao Li lately .How is he? 118. Hows your father been? 119. As a matter of fact ,he hasnt been feeling too well. 120. Im sorry to hear that.Whats the matter? 121. He has a slight fever. 122. Tell him I hope hes better soon. 123. Il
公务员英语口语
By Ernest Leong Washington, DC 16 June 2006 watch Iraq report Ayyub al-Masri U.S. military leaders believe they have identified the successor to slain terrorist leader Abu Musab al-Zarqawi. There is a debate about whether Zarqawi's death will weaken
2006年VOA标准英语（六月）
BBC Learning English Weekender Carbon Neutral Al Gore Callum:Hello, I'm Callum Robertson and this is Weekender. Al Gore was the vice president of the United States under Bill Clinton from 1993 to 2001. He very nearly became the President in a contro
Weekender
Syria Bombings Could Signal al-Qaidas Engagement Protesters flee gunfire in the Syrian town of Aleppo. And near Damascus, amateur video shows United Nations peace monitors edging their vans through anti-government protesters. The protests came after
VOA标准英语2012年(五月)
By Barry Newhouse Irbil 03 May 2007 The U.S. military says it has killed a senior leader of al-Qaida in Iraq who was involved in the kidnappings of several Westerners. Iraqi officials also have announced two other high-profile al-Qaida deaths in rece
2007年VOA标准英语（五月）
By Margaret Besheer Irbil, Iraq 10 July 2006 As ethnic and sectarian violence continues to shake Iraq's capital, Prime Minister Nouri al-Maliki called for all Iraqis to unite. The Prime minister made the appeal during a visit to the Kurdistan Nation
2006年VOA标准英语（七月）
By Margaret Besheer Washington 20 May 2006 Prime Minister Nouri al-Maliki speaks to parliament as he announces his new cabinet in Baghdad, May 20, 2006 After more than five months of political negotia
2006年VOA标准英语（五月）
Justine Siegal has made history by becoming the first woman to pitch batting practice for a Major League Baseball team. Despite a case of nerves, the pony-tailed Siegal broke the gender barrier with spring training pitching stints for the Cleveland I
英语新闻
Getting Rid Of Cavities Don: Sorry, I'm late. I was brushing my teeth. Yal: Brushing your teeth! Right before A Moment of Science? Why? D: I'm trying to get rid of a cavity . Y: Get rid of a cavity ? Are you stuck with a cavity once you have it? D: I
英语听力文摘 English Digest
Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿，每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W
英语听力文摘 English Digest
DNA Helps Catch Poachers 科学家们利用一种革命性的基因技术成功确定了走私犯屠宰大象的非洲地区，这些大象沦为全世界非法象牙贸易的受害者。利用非洲大象的DNA图谱，他们已发现最近缉获的象
英语听力文摘 English Digest
Enamel is the hard outer tooth layer. 牙釉质是牙齿坚硬的外层。 The cavity gets larger by entering the softer second tooth layer, the dentin. 蛀牙洞到了牙齿的较软的第二层， 也就是牙本质时，龋洞就会变得大的多。
口腔临床英语对话