我想我的年纪太大了,不宜干这种工作那是耶稣纪元一干七百七十五年。
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The Effects of PGE_2 and Cyclic AMP on Experimental Tooth Movement in Rabbits
前列腺素E2及环磷酸腺苷对兔牙加速移动的研究
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Tooth decay happens when teeth are attacked by acid, and this can happen in two ways.
蛀牙发生时,牙齿受到攻击,酸, 这可以发生在两个方面.
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The rich and creamy dessert was enough to satiate even the biggest sweet tooth.
浓郁且柔滑的甜点足以让任何最挑剔的甜食爱好者感到满足
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Periodontal disease is a chronic bacterial condition associated with receding gums and tooth loss.
牙周病是一种慢性细菌感染性疾病,会引起牙床萎缩和牙齿脱落.
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