求翻译：应该，在各种可预防致死原因之中，吸烟占最大部分。吸烟大为增加肺癌的机会，而肺癌是死亡率最高最难治疗的癌症，80%至90%的肺癌是由吸烟引起，30%由癌症引致的死亡是出于吸烟。其他肺病像肺气肿亦与吸烟有关。吸烟增加心脏病的机会。怀孕时吸烟增加流产及婴儿体重不足的可能。吸烟者看上去比不吸烟者年老，因为香烟会增加皮肤的皱纹。同时由于吸烟会增加新陈代谢的速度，所以吸烟者体重会下降。是什么意思？

Should be in a variety of preventable cause of death among smoking accounted for the largest part. Smoking greatly increase the chance of lung cancer, lung cancer mortality in the highest most difficult to treat cancer, 80-90% of lung cancer caused by smoking, 30% of deaths caused by cancer because

It should be, in a variety of preventable cause of death, and non-smoking the most. Smoking greatly increases the chance of lung cancer lung cancer mortality is highest and most difficult to treat the cancer, 80% to 90% of lung cancer is caused by smoking, 30 percent of the cancer-related deaths are

Should, be possible to prevent in the cause of death in each kind, smoking occupies the most major part.Smokes greatly for the increase lung cancer opportunity, but the lung cancer is cancer which mortality rate Gao Zuinan treats, is causes 80% to 90% lung cancer by smoking, 30% the death which brin

Should, in a variety of preventable causes of death, smoking accounts for the largest share. Smoking greatly increases the chance of lung cancer, lung cancer is the most difficult to treat cancers of the highest mortality, is 80% per cent of lung cancer caused by smoking, death was caused by cancer

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