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- Materia alba on teeth 牙白垢
- Debris collects in the crevices on teeth. 碎片在牙齿上的裂缝中堆积起来。
- I picked up a free booklet on tooth care at the dentist's. 我在牙医那里拿了一本关于牙齿保健的免费小册子。
- The research sheds important new light on tooth formation. 这项研究为了解牙齿的形成提供了新线索。
- Braces stay on teeth for about two years, but the results last a lifetime. 牙套在牙齿上停留约两年，效果却可以持续一辈子。
- But blueberries, blackberries, and beets leave their color on teeth as well. 但是，蓝莓，黑莓，以及甜菜能使牙齿染色。为了健康，你应该吃它们。
- Dental ecofilm is a community of bacteria colonized on tooth surface. 摘要牙面生态膜是细菌致龋活动场所。
- The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities, from forming. 氟化物和牙齿表面坚硬的珐琅质混合，可以帮助预防牙洞的形成。
- The fluoride mixes with enamel , the hard surface on teeth, to help prevent holes, or cavities , from forming . 氟化物和牙釉质溶合形成坚固的牙齿表面，帮助预防穿孔和龋齿。
- Methods Dye penetration method was used to observe marginal microleakage with or without Superbond on teeth in vitro. 方法应用染料渗入法，在离体牙上观察银汞合金在应用与不应用粘接剂的条件下的边缘微漏。
- Osteoporosis. Certain black spots on tooth X-rays that indicate air pockets and dead bone. 骨质疏松症。牙X光照片上的黑色点说明有空洞或者坏死的骨头。
- Objective To study the effect of microwave on tooth movement and the periodoned memborane in rabbits. 目的利用动物实验模型,研究微波照射对兔牙远中移动速度及牙周膜作用的影响。
- The lemon juice set his teeth on edge. 柠檬汁把他的牙齿都酸倒了。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- materia alba 白垢牙
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- The role of aggression in mental work is aptly expressed by the phrase "getting ones teeth into a problem ". 一个指任务，一个指侵略行为，合一起什么意思呢？
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- He reported on the whole event to the minister. 他把整个事件向部长做了汇报。
