purpurin的翻译，读音
英/'pә:pjurin/
释义：
n. [化]羟基茜草素,红紫素
n. A dyestuff resembling alizarin, found in madder root, and
extracted as an orange or red crystalline substance.
n. A dyestuff resembling alizarin, found in madder root, and
extracted as an orange or red crystalline substance.