这条茂兰原矛头腹的毒性还不确定，但据杨剑焕的说法，“当地人警告我它十分危险”。
The toxicity of the new pit viper species is not yet known, but "kindly local peoples warned me that this snake is very poisonous," Yang added.
杨功焕说，生产香烟的利润最终将远远不及与吸烟有关的疾病的医疗开支。
Profits from producing cigarettes will fall far short of the eventual health costs of smoking-related illnesses, says Yang.
杨剑焕和他的同事们还发现了很多被当地苗族杀掉的死蛇。苗族人认为在野外碰见蛇是非常不吉利的事情，只有马上杀掉它才能将厄运驱走。
Yang's team also found dead snakes that had been killed by people—the Miao, a local minority, believe that a snake encountered in the wild will bring bad luck unless it's killed immediately, he said.
中国疾病预防控制中心副主任杨功焕近日在辉瑞公司举办的“远离烟草、清新健康”青少年控烟有声读物发布会上称。
"Chinese Center for Disease Control and Prevention deputy director Yang Gonghuan recently Pfizer's" stay away from tobacco, fresh and healthy "Youth tobacco Control conference audio books the said."
中国疾病预防控制中心副主任杨功焕近日在辉瑞公司举办的“远离烟草、清新健康”青少年控烟有声读物发布会上称。
"Chinese Center for Disease Control and Prevention deputy director Yang Gonghuan recently Pfizer's" stay away from tobacco, fresh and healthy "Youth tobacco Control conference audio books the said."
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