近日有消息称,美国科学家经过长期研究发现,人们常用的蔬菜中,譬如番茄、土豆、茄子和花菜等,都含有微量的尼古丁。这些蔬菜如果未加烹饪而生吃,可能对人体有害,如同被动吸烟。不过随后专家们 Recently there is news that after long-term research, scientists in the United States found that people commonly used vegetables, such as tomatoes, potatoes, eggplant and cauliflower, contain traces of nicotine. These vegetables, which are eaten raw without cooking, may be harmful to humans as passive smoking. But then experts