natural pigment
常见例句
- Another major class of nutritional characteristics of the natural pigment is carotenoid .
另一大類具有營養特性的天然色素是類衚蘿蔔素。 - Natural pigment in grain layer of goat skin and pig skin was bleached by hydrogen peroxide and ultrasound.
探討了採用過氧化氫及超聲波除去山羊皮及豬皮粒麪層色素的方法。