大家都搜：
烟草胺
1、nicotine───n.[有化]NiGuDing；[有化]烟碱
2、isonicotine───n.异烟碱
3、Isonicotinic───异烟酸
4、nicotian───adj.烟草的；n.抽烟者
5、nicotinic───adj.烟碱的；烟碱酸的
6、nicotianine───n.烟草香素
7、levorotatory nicotine───左旋NiGuDing
8、nicotiana───n.烟草属，烟草
9、nicotiana tabacum───[医]烟草
10、veteran nicotine───老兵NiGuDing
1、Johnson and his team focused on nicotianamine, a substance that occurs naturally in rice and helps it to take up iron from the soil.───Johnson及其研究组把重点放在了烟草胺上。这是一种在水稻中天然存在的物质，能帮助从土壤中吸收铁。
2、Johnson said that, since nicotianamine naturally occurs in rice, consumption was unlikely to have any adverse health effects.───Johnson说，由于烟草胺自然存在于水稻中，食用这种水稻不太可能有任何健康副作用。
3、Normally, it is low levels of iron in the soil that signal to the rice to switch on the genes that control the production of nicotianamine.───在正常情况下，正是由于土壤铁含量低为水稻发出了信号，让水稻打开控制烟草胺制造的基因。