She flashed yellow-stained teeth and held on to Laura's arm.
她亮出黄染牙齿和劳拉的手臂举行。
Many things we do on a regular basis can contribute to stained teeth, such as drinking coffee, tea, cola and red wine or smoking.
我们平时经常做的一些很普通的事情都会给牙齿留下斑点，比如说喝咖啡，茶和可乐，以及红酒，或是抽烟。
However, in this area some local people deliberately chew betel nut in order to achieve the social prestige of darkly stained teeth, so the AD was understandably less than effective.
然而在这一地区，当地人有意咀嚼槟榔使牙齿变黑以赢得社会威望。因此可以理解该广告收效甚微。
The beneficial rate was over 90% This paper presents the therapeutic method and its procedures for three (?) of tetracycline stained teeth. and this paper also discusses the cause of failure cases.
本文介绍了光固化复合树脂修复三类四环素染色牙的治疗方法和操作步骤，并对失败病例作了总结。
She had a young, freckled complexion, and I was already losing hair in front, my teeth stained from cigarettes and coffee.
她的皮肤有些雀斑，显得还很年轻。而我的前额已经有些谢顶，我的牙齿也被香烟和咖啡染黄。
Teeth with chronic caries will tend to be darker in color because the edges of the cavities become stained from normal eating and drinking.
牙齿慢性龋将趋于较深的颜色，因为边缘龋洞被正常吃的食物所染色。
His teeth were stained with nicotine from years of smoking.
他的牙齿因多年吸烟而被尼古丁染黄了。
His teeth are stained with years of smoking.
他的牙齿因长年吸烟而变黄了。
His teeth are stained with years of smoking.
他的牙齿因长年吸烟而变黄了。
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