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...
拍卖场是最热闹的娱乐场所.The auction was the liveliest part of the entertainment.过去,他常去拍卖场出价竞买.He used to bid at the auction.在拍卖场他出价1000美元.He bid $ 1 0 0 0 at the auction....
加里东期~印支期区域变质作用与成矿密切相关.The metallogenesis is close related with the Caledonian - Indosinian regional metamorphism.山体岩石为加里东期花岗岩和大理石,距今4——6亿年.Rock Hill Caledonian granite and marble ago 4 - 6 billion years.该区金直接来源于加里东和华力西花岗...
Require Authentication - Require that clients use authenticated or encrypted packets.客户端可以使用加密验证,也可以不使用,又客户端决定.Account details are encrypted to protect privacy.账户资料被加密，以保护隐私。Your passwords are encrypted using several dif...
There seem to be very few happy heterosexuals.好像?有多少快乐的异性恋者.Heterosexuals are noted for assigning themselves and each other to narrowly restricted, stereotyped sex - roles.众所周知,异性恋者给自己和对方指定狭隘的 、 刻版的性别角色....