单词:dentinal fibrils
单词:dentinal fibrils 相关文章
AMERICAN MOSAIC - Black Friday, MREs and Rihanna's 'Talk That Talk' MARIO RITTER: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im Mario Ritter. Today we play new music from Rihanna ... We also ask some Americans what they like to do on
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
La Lsla Bonita《风光秀丽的小岛》法国首席女歌手 演唱者:Alizee 法国首席女歌手Mylene Farmer(玛莲法莫)一手打造快红新人首发主打MoiLolita荣登8大国 (法国、西班牙、意大利、德国、俄罗斯、以色
DAVID GREENE, HOST: And we are remembering a musician today whose band gave us these wise words. (SOUNDBITE OF SONG, LOVE STINKS) J. GEILS BAND: (Singing) Love stinks. Love stinks, yeah, yeah. GREENE: Yeah, that's The J. Geils Band. And their leader-
By Dan Robinson Capitol Hill 20 September 2006 President Mahmoud Ahmadinejad's address to the United Nations coincided with sharp criticism of the Iranian leader in the U.S. Congress. The House of Representatives debated three resolutions dealing wi
By Lisa Schlein Geneva 19 April 2006 Ian Martin, the representative of UN High Commissioner for Human Rights in Katmandu, speaks in Katmandu, Nepal (File photo - Feb. 16, 2006) A Senior U.N. official
By Ron Corben Bangkok 23 May 2006 Thailand's Prime Minister Thaksin Shinawatra has resumed his duties after taking a leave of absence in April because of protests against his leadership. But oppositio
The United Nations is launching a $35 million emergency appeal for Madagascar, which is suffering from multiple crises, including cyclones, drought and political instability. An aerial view of a part of Morondava, Madagascar shows floodwaters Thursd
Cameroon Businesswoman Rises from Poverty to Financial Security Jacqueline Kamsu arrived at the US embassy in Yaounde in late August looking every bit a success story. She had been invited to speak to a group of young leaders on her non-profit, Beads
今天我们要讲的习惯用语的意思都是谎话。但是谎话多种多样,人们撒谎的程度也轻重不一,在英语中得用不同的词句来表达。我们今天要讲的第一个是: fib。Fib当然不是实话,然而却是无伤大
A: Hello, may I speak to Alice please? B: This is she. How's it going? A: I've been trying to call you all day. B: Sorry about that. I was cleaning up. A: It's okay. B: So what were you calling me about? A: Oh, I just wanted to see if you wanted to h
A: Hi, how are you. Is Alice there? B: Speaking. What's up? A: Why haven't you answered the phone? B: My bad, I had chores to do. A: That's all right. B: What was the reason for your call? A: I want to do something tomorrow with you. B: Sounds good.
A: Is Alice available? B: You're talking to her. A: I've called you a hundred times today. B: I was busy doing something. I apologize. A: No problem. B: Did you need something? A: Did you want to do something tomorrow? B: Is there somewhere special y
音乐咖啡厅:School Gyrls - Something about him Song:Something About Him Artist:School Gyrls I Dont Know The First Thing About Love, Havent Really Reached That Chapter Yet, But Its All The Little Things That He Does, Im About To Fall, No Safet
OMG! Congratulations to both of you!! How did he pop the question??OMG! 祝贺你们俩啊!!他怎么求的婚啊??
A Jihadist website has announced that Ayman al-Zawahri, Osama bin Laden's deputy, is the new leader of al-Qaida, as had been expected since the killing of bin Laden in May. A web posting Thursday said Zawahri has assumed responsibility for the group,
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
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
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
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。