此外，吸烟还危害人们的牙齿。
吸烟太多的人很容易得癌症，那是很可怕的。其次，吸烟还危害人们的牙齿。
Smoking too much is very easy to get cancer, which is very terrible. secondly, smoking also do harm to people's teeth.
吸烟会使皮肤渐渐丧失养分和富氧能力，从而导致吸烟者的面色暗淡，某些还
Smoking chronically deprives the skin of oxygen and nutrients. So
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