纯素，汉语词语，拼音chún sù，意思是纯粹而不杂；纯朴。
研究表明，吃肉较多的人可以通过转向纯素饮食将食物相关的生态足迹减少三分之一或更多。
Studies have shown that people who eat a meat-heavy diet can reduce their food-related footprint by one third or more by moving to a vegan diet.
然而，一些营养学家建议不要改用完全严格的素食或纯素饮食。
However, some nutritionists advise against switching to a totally strict vegetarian, or vegan diet.
是的，史蒂夫·韦恩吃的是纯素。
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