常見(jiàn)例句雙語(yǔ)例句The brown pigment of loquat nut is natural and safe pigment.枇杷果核棕色素是一種天然色素。The light brown pigment seen here in the necrotic hepatocytes around the central vein is lipochrome.圖中中央靜脈周圍壞死肝細(xì)胞中的淺褐色色素為脂褐素。Instead, people with blue eyes have a brown pigment, known as melamin, at the back of their irises but have low concentrations of melanin in the front of their irises.相反，藍(lán)眼睛的人有一種褐色色素，被稱之為黑色素，位于虹膜背部，但在虹膜前部黑色素濃度較低。 返回 brown pigment