音标:[den,tinifi'keiʃәn] ;
牙质形成, 齿质制造

The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of persons, a

发表于:2018-12-01 / 阅读(661) / 评论(0) 分类 新东方现代文背诵篇章

Zhou Liujun, director of the Commerce Ministry's Overseas Investment Department, says new regulations are being drafted which will have Chinese companies looking to invest abroad undergo stricter authentification checks. Our first move is to increase

发表于:2018-12-02 / 阅读(574) / 评论(0) 分类 2017CRI中国国际广播电台

[00:04.49]CONVERSATION 2 [00:09.35]WHAT DOES IT LOOK LIKE? [00:13.30]Luis: Teresa? ... I can't find the what-do-you-call-it. [00:20.66]Teresa: What can't you find? [00:24.50]Luis: You know. The thing. [00:28.26]Teresa: What thing? [00:31.50]Luis: Oh,

发表于:2018-12-02 / 阅读(666) / 评论(0) 分类 新英语交谈注释版

[00:02.98]CONVERSATION 1 [00:08.25]COULD YOU HELP ME? [00:11.62]Clerk: Hi. Can I help you with something? [00:18.29]Paulina: Yes, please. We're looking for the men's department. [00:23.33]Clerk: It's right over there, by the escalator. [00:27.69]Dieg

发表于:2018-12-02 / 阅读(751) / 评论(0) 分类 新英语交谈注释版

By David Gollust State Department 30 March 2007 The State Department says it is seeking clarification of reports Sudan has softened its opposition to new international peacekeepers for Darfur. The reported change of position by Sudanese President Oma

发表于:2018-12-08 / 阅读(643) / 评论(0) 分类 2007年VOA标准英语(三月)

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

发表于:2019-01-02 / 阅读(485) / 评论(0) 分类 英伦广角

'Desinification' unacceptable among Taiwan people - Lien 台湾人民不会接受“去中国化”--连战 Visiting Taiwan opposition KMT Chairman Lien Chan delivers a speech at the Peking University

发表于:2019-01-16 / 阅读(773) / 评论(0) 分类 英文语法词汇

MARY LOUISE KELLY, HOST: Who is Aquaman? Well, the answer is more complicated than you might think. He is the star of a blockbuster film opening this week. But for most of his life, Aquaman has been strictly a D-list superhero, a benchwarmer, an also

发表于:2019-01-19 / 阅读(625) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Grammar Girl here. Today's topic is verbification. Last week police used a Taser on University of Florida student Andrew Meyer as they struggled to remove him from an auditorium where Senator John Kerry was speaking. The Web has been filled with deba

发表于:2019-01-30 / 阅读(691) / 评论(0) 分类 英语语法 Grammar Girl

By Margaret Besheer New York 19 April 2008 Pope Benedict told American Catholic clergy and nuns on Saturday that the Church in the United States must work to overcome its divisions, saying this is a time of healing and purification, after the sexual

发表于:2019-01-31 / 阅读(584) / 评论(0) 分类 VOA常速英语2008年(四月)

It turns out that concentrating on their partners' physical attractiveness may make people less happy in relationships, new research suggests。 最新研究表明,过度关注伴侣的外表会让人们从爱情中收获的快感降低。 Partner-

发表于:2019-02-01 / 阅读(560) / 评论(0) 分类 阅读空间

By Joe Bavier in Abidjan Franz Wild in Meagui 18 May 2006 Officials in a half dozen towns in war-divided Ivory Coast have begun registering residents who, until now, have had no documents or legal sta

发表于:2019-02-04 / 阅读(550) / 评论(0) 分类 2006年VOA标准英语(五月)

By Kurt Achin Seoul 02 July 2007 U.S. President George Bush and South Korean President Roh Moo-hyun signed a wide-ranging trade liberalization agreement Saturday. Legislators in both countries will need to vote on whether to ratify the treaty. As VOA

发表于:2019-02-04 / 阅读(639) / 评论(0) 分类 2007年VOA标准英语(七月)

Villagers gather in front of a dam near the village of Labgar in northern Senegal on 12 Nov 2009. There is little to show for it apart from small acacia shrubs, but Senegal's leader believes in a Great Green Wall that will stem desertification across

发表于:2019-02-07 / 阅读(510) / 评论(0) 分类 VOA标准英语2010年(四)月

长二捆 LM-2E 长江三角洲 Yangtze River delta 长期共存、互相监督、肝胆相照、荣辱与共 long-term coexistence, mutual supervision, sincere treatment with each other and the sharin

发表于:2019-02-08 / 阅读(537) / 评论(0) 分类 考研英语

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

发表于:2019-02-16 / 阅读(432) / 评论(0) 分类 英语听力文摘 English Digest

John Rico is a self-quantifier and he says being one has improved his life. 约翰?里科是位自我量化主义者,用他的话就是做一个让自己生活更美好的人。 Every one of us wants to live a better life, but what is a self-quanti

发表于:2019-02-21 / 阅读(588) / 评论(0) 分类 中英双语新闻

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

发表于:2019-02-24 / 阅读(526) / 评论(0) 分类 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

发表于:2019-02-24 / 阅读(471) / 评论(0) 分类 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。

发表于:2019-02-27 / 阅读(627) / 评论(0) 分类 口腔临床英语对话
学英语单词
ac charging
accelerating relay
aluminium boat
anabiotic state
analgesic drug
ananym
aqualands
atoner
auto code system
auto frettage
bankomycin
Beagh, Slieve
biareolate
black box method
black mangrove
bless his heart !
boat hire
breast of deer
Carisbad
chloramphenicol succinate
Chouzy-sur-Cisse
clithon sowerbianus
confiscatory tax treatment
contribute to
corticotrophin
cypress swamps
dawnward
Dehdez
determination of crystal structure
digitonin reaction
Dutch-elm beetle
duyre
Elmvale
employee services
enter password
Euonymus nanus
face-sit
feinsinger
foot wall
forced convection subcooled boiling
Global finance
gosu (kosu)
ground supply socket
GTGP
halaqah
halochromy
icterus catarrhalis
Lagrangian coordinates
land formation
landholders
literary figures
litist
loss on stock redemptior
macromodels
meagrest
miscastings
musculussuspensorius duodeni
narrowing of attention-span
negative power coefficient
Nile, Source of the
nonlinear time-varying model
northern barramundi
now-a-days
Nā'ālehu
one-sample problem
polianite (pyrolusite)
prompting screen
pull-through winding
pyrimetamine
quinquennial valuation
re face
re-caps
remotely-operated
resprayers
resupination
retail sale
rightfully
Roman arch
room temperature strength
safe-load
scholar-teacher
sea painter
search stopper
send something out
slit-lamp
spirantal
stable acceleration process
standard transmissions
subenamel membranes
Suycener
T-bracket
technician
throw down a gage
thymiaterion
thyristor gating circuit
thyroixin
tshaped serial
turnover labour
two-cell partition
unaudited voucher
wan-
wild cassava