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...
我们那时在同一所学院，当时只招男生。We were in the same college, which was male-only at that time.他们1956年相遇，那时他们俩都还是小男生。They met up in 1956, when they were both young schoolboys.老师将这些男生课后留堂。The teacher kept the boys in detention after sch...
The minister tremulously , but decidedly , repelled the old man's arm.而丁梅斯代尔牧师却 哆里哆嗦 地断然推开了那老人的胳臂.She felt disinclined, almost repelled, by the thought of intimacies and scenes of contacts.一想到跟人家亲近,酬酢往返,她就觉得讨厌, 甚至觉得...
Another need for abstract enumeration arose.对抽象的计数法产生了另一方面的需要.Other enumeration problems lead us to the study of orbits of permutation groups.其它的计数问题引导我们去研究置换群的轨道.Enumeration system processes, can cite the system is curr...
...infra-red homing missiles...红外线自动寻的导弹Absolutely . We have lots of skills that alter firing rate, spread , homing capabilities, etcetera.我们也有很多可以改变射击速度, 射击距离, 自动瞄准能力等等的技能.Many birds have a remarkable homing instinct .很...