标签:牙齿 相关文章
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
Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,
Technology Reduces Time in Dentists Chair 新技术使牙医病人少遭罪 WASHINGTON Medical robots help surgeons perform delicate operations more safely and with greater dexterity than with instruments manipulated by hand. Such sophisticated tools
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
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:
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
介绍: Akickintheteeth严重打击 kicksb.intheteeth打击某人 CanJeff'semployeereviewwaituntilnextweek?Hisgirlfriendjustlefthim,andIdon'twanttokickhimintheteeth. Jeff的员工评估能等到下周吗?他的女朋友刚离开他,我不想打击