单词：fluoridization method of tooth surface
单词：fluoridization method of tooth surface 相关文章
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
Scientific American(十二)月
February 28 is National Tooth Fairy Day. This day celebrates one of childhoods make-believe visitors. Others include Santa Claus and the Easter Bunny. The Tooth Fairy comes in the middle of the night after a child loses a milk tooth. Parents tell the
英语课程学习计划和讲义
Ben's tooth Ben was eating an apple at school, ow! he said. Oh, look! My tooth has come outand here it is, in my apple! Ben went to show his teacher. Look, Mrs. Green, he said, My tooth has come out. Here's a little box to put it in, said Mrs, Green.
Cherry老师讲英文故事
A-B-C METHOD OF MANAGING ATTITUDES As an airport skycap checked through a customer at curbside, he accidentally knocked over the man's luggage. He quickly collected the fallen bags and apologized for the mishap. Unappeased, the traveler burst into a
每天一点英文
Days of Painful Tooth Repair May Be Over From VOA Learning English, this is the Health Lifestyle report. Many people fear a visit to the dentist. They are not so much afraid of the doctor, but of the dental equipment and treatments. Well, fear no mor
2015年VOA慢速英语(九)月
我上个月坐火车到纽约去看朋友，上车后刚要坐下，旁边座位上的女乘客就开始很大声的自言自语，看上去精神好像不太正常，吓得我只好在过道对面远远地坐下。 后来我注意到，每次有人要
美国习惯用语
Maxwell put up his hand and waited for his teacher, Mrs. Gilbert, to notice him. Do you have a question, Maxwell? she asked. Its more like a problem, Maxwell said. I lost my tooth. Maxwell stood up and held out his hand to show his class his baby too
Children’s Stories-儿童故事集
Flawless pearls are among the most symmetrical spheres biological organs. But do they get so round? Turns out they turn. Pearls and mollusks such as oysters create so-called pearls acs around intrusive pieces of grit. The sac coat the yelten with the
Scientific American(六)月
a tooth pulled A man and his wife entered the dentist's office. The man said, I want a tooth pulled. We're in a big hurry, so forget about any pain killers. The dentist said，You're very brave. Which tooth is it? The man said to his wife, Show him y
英语笑话（MP3+文本）
Books and Arts;New film 文艺；新片上映 Method in the madness 疯狂中的理智 A searching look at what caused the split between Freud and Jung 深度挖掘：弗洛伊德、荣格决裂的原因 Psychoanalysis, as practised by Carl Jung and
经济学人文艺系列
A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h
VOA标准英语2012年(五月)
加速钙和矿物质吸收的蛀牙新疗法 For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth, this
VOA标准英语2015年(十二月)
Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,
VOA标准英语2015年(八月)
释义： Long：长的，tooth：牙齿；字面来看呢，long in the tooth是牙齿长的意思； In english：Old in age. Mostly used when referring to people or horses.英文里指的是年纪大，一般指的是人或者一匹马； 来源：
英语俚语天天说
He dreamed that one of his teeth had fallen out. He told his classmate. She said, In my country, such a dream means a relative is going to die soon. He asked, Really? Any particular relative? She said, Yes. It depends on which tooth falls out. He sai
英文短篇故事（纽约）
New York City's mayor is against smoking. Stores that sell cigarettes must display big anti-smoking ads. One ad shows a decayed tooth. The ad says, Smoking Causes Tooth Decay. Quit Smoking Today. Call 311 or 1-866-NYQUITS. Store owners are upset. The
原版英语小短文
DEVELOPMENT REPORT - Need to Dig a Well? Start HereBy Gary Garriott Broadcast: Monday, May 15, 2006 This is Shep O'Neal with the VOA Special English Development Report. There are several low-cost ways
2006年慢速英语（五）月
Primitive peoples believe that hair, nail clippings, and lost teeth remain magically linked to the owner even after they have been disconnected from his body. As any voodoo artist will tell you, if yo
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Traditional Teaching Method Do your teachers still use traditional techniques to teach you nowadays? A revol- ution in teaching techniques is required now. In the past, we just took it for granted that a teacher' s aim was to teach the students all t
英语作文