一杯好茶 A Nice Cup of Tea

If you look up 'tea' in the first cookery book that comes to hand you will probably find that it is unmentioned; or at most you will find a few lines of sketchy instructions which give no ruling on several of the most important points. This is curiou

VOA慢速英语2014 机器人帮助牙医和患者

AS IT IS 2014-12-25 Robots Go To Work for Dentists and Patients For years, robots have helped doctors perform operations with greater safety, speed and exactness than by using hand-controlled instruments. Now, one such machine reduces the time it tak

【断背山】01

Ennis Del Mar wakes before five, wind rocking the trailer, hissing in around thealuminum door and window frames. The shirts hanging on a nail shudder slightly inthe draft. He gets up, scratching the grey wedge of belly and pubic hair, shuffles to the

专业术语—口腔生理学术语E2(英文详解)

Enamel prisms - rod-like bundles of hydroxyapatie crystals which are orientated at right angles to the tooth surface. Each prism can be traced from the outside of the enamel all the way to the dentine

专业术语—口腔生理学术语E3(英文详解)

Epidermal growth factor - a cytokine that stimulates epithelial cell proliferation. Epinephrine - a neurotransmitter substance found at all adrenergic synapses (nor epinephrine or epinephrine). It is

专业术语—口腔生理学术语C2(英文详解)

Cemento-enamel junction- the junction between the enamel covering the crown of the tooth and the cementum covering its root. Often referred to as the CEJ. Cementoblasts - cells of mesenchyme origin, i

专业术语—口腔生理学术语C1(英文详解)

Calcium-binding proteins - proteins which have the ability to store calcium ions and to bind onto calcium in the hydroxyapatite of the enamel surface. Calculus - a hard deposit of calcified plaque whi

专业术语—口腔生理学术语P1(英文详解)

Paracrine - cell messengers also called cytokines which are locally acting, produced by neighbouring cells or the extracellular matrix, as distinct from as distinct from endochrine or hormonal messeng

五分钟英文自我介绍演讲稿

Very happy and we feel we are one together - young teachers heroic feelings, My name is Ling, graduation Yidu teacher. I was crying my choice too, have work for me sad too, because I embarked on a career like I did not do a very poor teacher, I cry m

与美国小学生一起学英文第2册 第7期:牙齿

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

VOA慢速英语 2007 0314a

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

你每天都在刷牙 到底刷对了没？

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

茶或咖啡：哪个更适合你？

Countless arguments have been waged over the superiority of one beverage over the other. But what does the scientific evidence say? 关于这两种饮料孰优孰劣的问题已经引发了无数争论。但是科学证据是怎样的呢？ George Or

中英双语新闻 委内瑞拉首都爆发反政府游行

Venezuelan police have fired tear gas at thousands of opposition protesters in the capital Caracas who blame the socialist government of Nicolas Maduro for the country's economic crisis. Police arrested several people and blocked roads to prevent the

万物简史 第430期:小生物的世界(1)

20 Small World 第二十章 小生物的世界 It's probably not a good idea to take too personal an interest in your microbes. 要是你对身边的微生物过于在意，这很可能不是个好习惯。 Louis Pasteur, the great French chemist and

英国发明牙齿治疗新技术

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

想要永葆年轻？别碰这些食物

It's well known that foods high in sugar and salt are dangerous for the waistline, but they could also be ageing your body much faster than you realise. 众所周知，吃高糖类和高盐类食物会有发胖的危险，但是这类食物加速身体

经典英语美文阅读：大红裙

Big Red The first time we set eyes on Big Red, father, mother and I were trudging through the freshly fallen snow on our way to Hubble's Hardware store on Main Street in Huntsville, Ontario. We planned to enter our name in the annual Christmas drawin

你熟知这5个词 却不知道它们的历史之久

1. Computer 1.计算机 Computer goes back over 400 years. Computer referring to the electronic device (or system of devices) which is used to store, manipulate, and communicate information isnt found until the 1940s, but computeras a machine for per

2001春季高考英语—第一卷III(D)

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