那时候，牙科学刚起步，拔牙都不打麻药。In those days, dentistry was basic. Extractions were carried out without anaesthetic.他用过麻药,现在仍眩晕无力.He's still groggy from the anaesthetic.局麻药溶液中加入肾上腺素,使血管收缩.The addition of epinephrine to local an...
An uncultured coal - mining town; regarded him an uncultured brute.原始的采矿小镇; 把它视作粗鲁的野蛮人.However, how uncultured your knowledge structure is!可是你的知识结构怎么这样落后?How uncultured and uneducated. I wonder if he ever plans to travel...
She playfully rubs suntan lotion on his neck.她开玩笑地把防晒露擦到他脖子上。Where have you been to get that suntan?你上哪儿去了，晒得黑黑的？She wore a while T - shirt to show off her suntan.她穿了一件白色 T 恤以显示其晒黑的肌肤....
She has a theory that drinking milk prevents colds.她有一种说法,认为喝牛奶能防止感冒.Ordinarily, random thermal jigging of the molecules prevents sound waves from behaving analogously to light quanta.通常, 分子的随机热运动,会让声波的行为和光量子有别.The indem...