求翻译：吸烟可以引起多种疾病，污染环境; 吸烟致癌已经公认。吸烟是许多心、脑血管疾病的主要危险因素，是慢性支气管炎、肺气肿和慢性气道阻塞的主要诱因之一。吸烟可引起胃酸分泌增加吸烟对妇女的危害更甚于男性，吸烟妇女可引起月经紊乱、受孕困难、宫外孕、雌激素低下、骨质疏松以及更年期提前。是什么意思？

Smoking can cause many diseases, pollution of the environment; smoke carcinogens have been recognized. Smoking is the number of cardiovascular and cerebrovascular disease risk factors, chronic bronchitis, emphysema and chronic airway obstruction of the main incentives. Smoking can cause gastric acid

Smoking can cause a number of diseases, pollution of the environment; smoking cause cancer has been recognized. Smoking is a Many heart diseases and cerebrovascular diseases, a major risk factor is chronic bronchitis, emphysema and chronic airway obstruction in one of the main incentives. Smoking ca

Smoking may cause many kinds of diseases, the pollution environment; The smoking carcinogenicity already recognized.Smoking permits oversensitively, the blood vessel of brain disease primary dangerous factor, is chronic bronchitis, pulmonary emphysema and one of chronic gas channel blocking main cau

Smoking can cause many diseases, pollution of the environment; Smoking cause cancer has been accepted. Smoking is a lot of heart, major risk factors of cerebrovascular disease, chronic bronchitis, emphysema and is one of the major causes of chronic airway obstruction. Smoking can cause gastric acid

Smoking could cause various diseases, polluted environment; Smoking cancer has been recognized it. Smoking is a lot of heart, major risk factors of cerebrovascular disease, chronic bronchitis, emphysema and is one of the major causes of chronic airway obstruction. Smoking can cause gastric acid secr