齿珐瑯质

Health Report - Laying the Roots for Healthy Teeth in Young Children 健康报道 - 健康护齿从儿童做起 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Bad teeth can be painful -- and worse. The

发表于:2018-11-27 / 阅读(467) / 评论(0) 分类 2011年VOA慢速英语(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(193) / 评论(0) 分类 Scientific American(十二)月

Dont get your teeth veneered, Elmers girlfriend said. I know a girl who did that, and she has had bad breath ever since. Elmer had never heard of such a thing. Thats ridiculous, he said. Veneers are made of plastic. Plastic doesnt give you bad breath

发表于:2018-12-11 / 阅读(147) / 评论(0) 分类 365个英语简短小故事

Part eleven 第十一章 Hypersensitive Teeth 牙齿过敏 Good morning, Doctor Smith. 早安,史密斯先生。 I'm happy that I could get an appointment with you so quickly. 能这么快跟您预约好,我真高兴。 Many of my teeth have beco

发表于:2018-12-27 / 阅读(180) / 评论(0) 分类 口腔临床英语对话

Humans may be no less a part of the animal kingdom than lions, tigers and bears, but certain things set us apart. For instance, although like our mammalian cousins we use teeth to bite and chew food, were the only animals that brush after every meal.

发表于:2018-12-28 / 阅读(110) / 评论(0) 分类 初学者听力文摘精选

Intermediate filaments - unlike microfilaments and microtubules, they are verystable. Instead of being stacked proteins, as in actin, intermediate filaments are built of interlocking proteins. A dense

发表于:2019-01-03 / 阅读(129) / 评论(0) 分类 医务英语

Polymers-large molecules made up of many joined units of a more simple molecule. Examples are polysaccharides and polypeptides. Polypeptides; -chains of amino acids joined by peptide bonds. They are n

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 医务英语

1. Use teeth whitening floss 用美白牙线 Tooth floss is an absolute must-have. We are sure that you already have this item in your bathroom. However, tooth floss with whitening components will not only clean your teeth. It will also help you keep

发表于:2019-01-03 / 阅读(119) / 评论(0) 分类 阅读空间

This is the VOA Special English Health Report. Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system. Those bacteria can increase the chances of a heart attack or s

发表于:2019-01-07 / 阅读(133) / 评论(0) 分类 2010年慢速英语(三)月

Human Teeth 人的牙齿 Teeth are the hardest thing in the human body. 牙齿是人体中最坚固的东西。 They are not made of bone. 它们不是由骨骼构成的。 They are made of enamel, gum and so on. 而是由牙釉质,牙龈等构成的

发表于:2019-01-10 / 阅读(148) / 评论(0) 分类 与美国小学生一起学英文第2册

This is the VOA Special English Health Report. It might seem hard to imagine that a bad tooth could be deadly. More than 41,000 students in the Philippines brushed their teeth at the same time last month to set a world record, organizers said. The r

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 VOA慢速英语2007年(三)月

Common Chemical May Damage Teeth A chemical compound thats been linked to a number of health problems in animal studies may also damage tooth enamel in humans. BPA is found in many resins and plastics that people use everyday, such as water and baby

发表于:2019-01-14 / 阅读(188) / 评论(0) 分类 VOA标准英语2013年(六月)

DAVID GREENE, HOST: Right from how smells can make us more attractive, let's turn to a multibillion-dollar global industry that is devoted to making you look more attractive, teeth whitening. Just walk into any pharmacy. Go online. You'll see them -

发表于:2019-01-16 / 阅读(157) / 评论(0) 分类 2017年NPR美国国家公共电台8月

They are shaped like little chisels. 它们的形状就像凿子一样。 These cutting teeth always keep their sharp, chisel-like edge, for the front of each tooth is formed of a very hard stuff called enamel, while the rest of the tooth is made of

发表于:2019-01-17 / 阅读(164) / 评论(0) 分类 英国学生科学读本

3 Foods to Avoid for Healthy Teeth 为了牙齿健康,不应该吃的三种食物 It is said that you are what you eat. This means that the food or drink intake plays a significant role in achieving healthy teeth and overall health. When eating, yo

发表于:2019-02-01 / 阅读(109) / 评论(0) 分类 阅读空间

It's not exactly a newsflash that one of the most important reasons to brush your teeth is to fight off cavities (not to mention prevent bad breath). But what if the way you brush your teeth actually makes you more susceptible to cavities, tooth deca

发表于:2019-02-07 / 阅读(160) / 评论(0) 分类 阅读空间

White Wine Can Rot Your Teeth 白葡萄酒可以让你蛀牙 In many countries, white wines such as Chardonnay are the preferred choice when people have seafood or poultry dishes. And they certainly dont stain your teeth, tongue or lips like red wine

发表于:2019-02-13 / 阅读(89) / 评论(0) 分类 英语听力精选进阶版

D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(235) / 评论(0) 分类 实用英语

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(218) / 评论(0) 分类 口腔临床英语对话

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

发表于:2019-02-27 / 阅读(241) / 评论(0) 分类 口腔临床英语对话
学英语单词
A.K.C.
accept an apology
Amazon CloudFront
amortized computation complexity
anacrotism
antiboy
bagazas
barrowloads
basic field
be in the sulks
beseda
boletus pachypus
book scorpion
bottle-opener
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calibration drift
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Cassegrainian secondary
cauda-
cheddaring
Cladopus fukienensis
combined acidity
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consensually
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controlled market
dimethylanthranilate
dining in
dipole molecule
dispensatories
displacement antiferroelectrics
diving dress
dual-aspect
dynamic queue
Enhanced Ethernet
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fasciculation
general current funds
gigot
grant-in-aid for agriculture
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Imelda
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kimberleys
Laascaanood
lightweight survey
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medinger
megastigmatrienone
Milky Way Galaxy
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minyips
mission dependent interface
multi pole
nascently
Ngato
Noasca
nontourist
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odontobutis obscura
offer subject to import license
oncomete
open crib
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phytostimulation
porcelain root
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scrape an acquaintance with
semimean axis
serial data set
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submaxillary
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SYMONDS
tauto-
Ten Mile
thin runner
took action
uncovenable
underborne
unnotably
Urnfield culture
vision optical system
voltammetries
weight indicating gage
wild bread fruit
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working fit
wormete