| 释义 |
〔purpurin〕A reddish crystalline compound, C14H 5O 2(OH) 3, that is isolated from madder root for use as a biological stain and commercial dye. 羟基茜草素,红紫素:一种从茜草属植物中提取出来用作生物染色剂和商业染料的淡红晶状化合物C14H 5O 2(OH) 3 〔Hereford〕Any of a breed of beef cattle developed in England and having a reddish coat with white markings.赫勒福德牛:在英格兰养的一种肉用牛,通体淡红,有白色斑纹 |