| 单词 | retinene |
| 释义 | Word Frequency retinene(ˈrɛtɪˌniːn) or retinal (ˈrɛtɪnəl) noun the aldehyde form of the polyene retinol (vitamin A) that associates with the protein opsin to form the visual purple pigment rhodopsin Word origin C20: from retina + -ene |
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