单词：predentin(e)
单词：predentin(e) 相关文章
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英文魔法师字源大挪移
IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa
教育与新闻
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
THE MAKING OF A NATION - Questions of Wrongdoing Trouble President Grant's Second Term By Frank Beardsley Broadcast: Thursday, August 04, 2005 (MUSIC) VOICE ONE: THE MAKING OF A NATION -- a program in
The Making of a Nation
The Secretary of the US Army delivers a stinging indictment today against those accused of sloppy record keeping at Arlington National Cemetery. And John McHugh tells the families of those resting in that hallowed ground that he is deeply sorry. Toda
2010年NPR美国国家公共电台6月
When I work with students in conferences I spend most of my time helping them unearth and add details, helping them identify areas needing further development. While we are struggling to make sentences and structure our paragraphs, it's easy to forge
实用英语
A: I am trying to see if I can afford to purchase a home that I wish to buy. B: We can figure that out right now. How much do you earn annually? A: My wife and I earned one hundred and fifty thousand dollars last year. B: How many years have you held
英语情景对话-买房
THE MAKING OF A NATION #68 - Pre-Election, 1840 By Frank Beardsley Broadcast: Thursday, June 24, 2004 (MUSIC) VOICE ONE: THE MAKING OF A NATION -- a program in Special English. (MUSIC) President Marti
The Making of a Nation
By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA
VOA常速英语2008年（二月）
SAN FRANCISCO, Oct. 10 (Xinhua) -- Apple announced on Monday that pre-orders of its iPhone 4S have topped 1 million in a single day, surpassing the previous single-day pre-order record of the company's smartphone. The iPhone 4S pre-orders surpassed 1
英语新闻
今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t
英语单词荟萃
BEIJING, July 24 (Xinhua) -- Bayern Munich swept over Beijing Guo'an 6-0 in a pre-season friendly match at Workers' Stadium here on Tuesday. Guo'an sent on a second-string lineup and were under full control of the Bundesliga powerhouse throughout the
英语新闻
NEW YORK, Sept. 23 (Xinhua) -- The NBA announced the cancellation of 43 pre-season games and the postpone of training camps indefinitely. The representatives for the NBA owners and players union are still at an impasse over a new collective bargainin
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
BEIJING, Aug. 22 (Xinhuanet) -- U.S. Emmy award-winning actress Selena Gomez will host the MTV Video Music Awards pre-show on Aug. 28, according to media reports Monday. Along with a cadre of MTV personalities and rock act Cobra Starship, Gomez will
英语新闻
BEIJING, April 19 (Xinhuanet) -- Almost one year after the disastrous（灾难性的 ） oil spill, scientists believe that the overall health of the Gulf of Mexico as nearly back to normal. However, the scientists restrain their optimism about natur
英语新闻
The suicide bomber who killed 7 CIA employees on a US base in eastern Afghanistan was seen, on Saturday, in a pre-attack video alongside Pakistani Taliban chief Hakimullah Mehsud. In the video, Humam Khalil Abu Mulal al-Balawi, a Jordanian, says he w
VOA标准英语2010年(一月)
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