求翻译：在公共场合吸烟有很多的危害。吸烟者伤害自己身体健康的同时，也危害了别人的健康。烟中的有毒物质尼古丁会伤害人的肺。而且吸烟会使牙齿变黄黄。还会使人经常失眠，精神不佳。是什么意思？

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Has very many harms in public situation smoking.The smoker injures oneself health at the same time, also has harmed others health.In the smoke virulent material Nicotine can injure the human the lung.Moreover smokes can cause the tooth to change Huang Huang.Also can cause the human to lose sleep fre

Smoking in public has a lot of harm. While smokers damage their own health, also harm people's health. Toxic substances in tobacco nicotine will harm the human lung. Smoking causes the teeth and Brownie. Frequently insomnia may also make the people, the spirit of the poor.

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