Deposits of plaque build up between the tooth and the gum.牙齿和牙龈之间会滋生牙斑。I was in agony with tooth ache.我牙疼极了.Objective : To study the stress tooth preparation with two kinds of porcelains.〔摘要〕目的: 研究瓷贴面复合体应力分布规律.The dentis...
A dentist may decide to extract the tooth to prevent recurrent trouble.牙医可能会决定拔掉那颗牙，以免反复发作。When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。He fought tooth and nail to keep his job.他竭尽全力保住...
中心表面卷取方式, 收卷磁粉离合张力控制.Centre surface coiling way, winding tension control magnetic particle clutch.同时给夺目使平均卷取的不败品制止刮伤 、 起皱.Also note that even the products avoid scratching of coiling, wrinkle.卷取机由气动胀缩卷筒组成.The winder will...
The weather was at its worst; bitterly cold, with leaden skies that gave minimum visibility.天气极其恶劣。寒风凛冽，天色晦暗，能见度极低。It is bitterly cold today.今天冷得很。Though Sybbis complained bitterly, Mama would not let up on her.尽管西比斯大发牢骚...
In short, it's a bit of hodgepodge, full of stark contrasts.简而言之, 有点儿像大杂烩, 反差强烈.UK companies face a stark choice if they want to stay competitive...英国公司如果想要保持竞争力就不得不面对严峻的选择。The bank's definition of extreme pove...