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...
鸟儿回到巢里继续孵卵。The birds returned to their nests and continued to incubate the eggs.雄性信天翁参与孵卵。Male albatrosses share in the incubation of eggs.她是阉过的母鸡,看见别人的孵卵是难受的.A barren hen is always jealous!...
笑话固化了对各民族的公式化看法.Jokes perpetuate various national stereotypes.但同时电影里继续出现公式化的角色和宣扬各种偏见.But movies have also kept alive stereotypes and prejudices.行政决定并非公式化但会基于申请者的整体素质考虑.Admissions decisions are not formula - driven but d...