This paper researches and tests the extractive process of red edible natural pigment from poinsettia,it explores the all sorts of influencing factors and proposes the optimums.是什么意思_This paper researches and tests the extractive process of red edible natural pigment from poinsettia,it explores the all sorts of influencing factors and proposes the optimums.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句