| 单词 | porphyrin |
| 释义 | porphyrin /pawr"feuh rin/, n. Biochem. a dark red, photosensitive pigment consisting of four pyrrole rings linked by single carbon atoms: a component of chlorophyll, heme, and vitamin B12. [1905-10; < Gk porphýr(a) PURPLE + -IN2] |
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