His tooth had started to throb painfully again.
他的牙又开始抽痛了。
When not removed, plaque causes tooth decay and gum disease.
牙斑没有清除就会导致蛀牙和牙龈疾病。
It has vanished as surely as one's belief in Santa Claus or the tooth fairy.
毫无疑问，人们对于圣诞老人或牙仙的信仰已经消失了。
His tooth hurts when he bites.
他咬人时，牙齿就痛。
拔一颗牙500元？
If left untreated, decay goes deeper and deeper into the tooth.
如果不及时治疗，蛀牙会越来越深。
When she opened her eyes, she saw Doctor Tim holding her tooth, smiling.
当她睁开眼睛时，她看到蒂姆医生握着她的牙齿，微笑着。
After a while, the decay reaches the nerves and blood vessels of the inner tooth.
过了一段时间，蛀坏的部分会蔓延至内牙的神经和血管。
Tooth analyses also suggest that there were two later migrations of Na-Denes and Eskimo-Aleut.
对牙齿的分析还表明，纳-德内人和爱斯基摩-阿留申人后来还有过两次迁徙。
On examining these marks more closely, they found a crocodilian tooth stuck in one of the bones.
在对这些痕迹进一步检查后，他们发现一颗鳄目动物牙齿嵌在其中一块骨头上。
The rest of the shell is rolled towards the tooth in an anticlockwise direction, in order to remove it.
为了脱身，其余的壳就会以逆时针方向绕着牙齿旋转。
At this stage, the tooth can repair the weakened area with the help of fluoride and minerals in saliva.
在这个阶段，牙齿可以借助唾液中的氟化物和矿物质修复脆弱的部位。
In my life, I still believed in the magical trifecta—Santa Claus, the Easter Bunny, and the Tooth Fairy.
在我的生命中，我仍然相信不可思议的三法宝——圣诞老人、复活节小兔和牙仙子。
Faustick has cleaned his teeth after every meal for thirteen years and has not had a single decayed tooth.
福斯蒂克已经连续13年每顿饭后都刷牙，一颗蛀牙也没有过。
Ideally you should keep a tooth brush in your pocket and use it immediately after you have finished eating.
理想情况下，你应该在口袋里放一把牙刷，吃完后立即使用。
He argues that tooth crowns and roots have a high genetic component, minimally affected by environmental and other factors.
他认为，牙冠和牙根有很多的遗传成分，受环境和其他因素的影响很小。
The motion of a pendulum rocks this device so that it catches and then releases each tooth of the escape wheel, in turn allowing it to turn a precise amount.
钟摆的运动使这个装置晃动，如此一来这个装置能抓住擒纵轮的每一个齿，随后又将其释放，因而使其精确转动一段距离。
Rick Rahim from Virginia flies helicopters for a living, and when his seven-year-old son's tooth became loose he did not waste time by tying it to a door handle.
来自弗吉尼亚州的里克·拉希姆以开直升机为生，当他7岁儿子的牙齿松动时，他毫不犹豫地就把牙绑在门把手上。
Tooth brushing became popular during the World War I.
第一次世界大战期间，刷牙开始流行起来。
"If you sleep with your mouth open, she will be able to see the tooth hole," said Sammy. The class laughed. Come on! But that just gave me a great idea! "How did you get the Tooth Fairy to leave the money?"
“如果你张着嘴睡觉，她就能看到牙洞。”萨米说。全班笑了。拜托！但这给了我一个好主意！“你是怎么让牙仙子留下钱的？”
She spent two years conducting trials to get a recipe that was both tasty and tooth-friendly.
她花了两年的时间试验，以得到一个既美味又不伤害牙齿的食谱。
Most important of all, avoid giving ants any access to food, particularly sugary food, because ants have a sweet tooth.
最重要的是，不要给蚂蚁任何靠近食物的机会，尤其是含糖的食物，因为蚂蚁喜欢吃甜食。
You would not go to a carpenter to pull a tooth; neither should you discuss your marriage problems with relatives or friends.
你不会去找一个木匠来帮你拔牙；你也不应该和亲戚或朋友来讨论你的婚姻问题。
With her dad's permission, she spent the next two years researching online and conducting trials to get a recipe that was both tasty and tooth-friendly.
在她父亲的允许下，她用接下来的两年时间在网上进行调查研究，并进行实验。最后研制出既美味又不伤牙齿的食谱。
The measuring instrument can measure addendum circle and dedendum circle diameter of odd-tooth gears.
这种测量工具用以测量奇数齿齿轮的齿顶圆和齿根圆直径。
For the sweet tooth: How about some jasmine biscotti?
对于喜欢甜食的朋友：茉莉脆饼怎么样呢？
The tooth fairy arrives and leaves him handwritten notes.
牙仙子终于来了！但我却只能为宝贝留下手写的便条。
That acts as a good reminder to brush each tooth thoroughly.
那可以提醒你要把每颗牙彻底刷干净。
Someone who gets tooth stains may want a whitening toothpaste.
一些人牙齿染色的人可能需要增白牙膏。
Someone who gets tooth stains may want a whitening toothpaste.
一些人牙齿染色的人可能需要增白牙膏。
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