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

【英语时差8,16】鲸是怎么演变成水手的？

Mammals developed from land-based reptiles two hundred million years ago, and most of the mammals we see today are still land based. A notable exception are the cetaceans, which we all know as dolphins and whales. How did they move from land to sea?

Bacteria Loves Your Mouth 细菌钟爱你的嘴

Did you know that there could be more bacteria living in your mouth than there are people on earth? 你知道吗，寄居于你口中的细菌有可能比全世界的人口数还多？ Bacteria love our mouths because the livin is easytheres plenty o

【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H2(英文详解)

Hyaluronic acid - the largest glycosaminoglycan known, it plays an important role of restricting the flow of water in tissues, particularly in synovial fluid where it acts as a lubricant.. Hydrogen bo

VOA慢速英语2010年-Health Report - Laying the Roots for H

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

日本公司推出世界第一台可洗手机

It may look all shiny and new, but your smartphone is probably one of the filthiest things you own. The amount of bacteria and germs it carries is disgustingly huge, which is probably why a Japanese company is targeting germaphobes with the worlds fi

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2009-Health Report - Laying the Roots for Healthy Tee

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

上海科学家研发防水耐火纸 有助纸质文物保存

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾

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

New Study Warns of Widespread 'Superbugs'

Indian health officials have rejected a new medical study warning of widespread drug-resistant bacteria in the country's capital. But the co-author of the study says Delhi is in denial, and warns the bacteria can spread easily around the world, possi

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