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"Retinal" means relating to the retina — the retina is the thin layer at the back of your eye that senses light and lets you see. Doctors use "retinal" in medical talk, like "retinal damage" (harm to that layer) or "retinal scan" (a way of checking or identifying someone by examining the eye closely). It's a technical, medical or science word, not something people use in daily chat.
視網膜的
組成retina (the light-sensing layer at the back of the eye) + -al (adjective ending, "relating to")
同家族的字
- retinaretinal is the adjective form of retina
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
retinaladj詞源 1/ˈɹɛt.ɪn.əl/
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medicineophthalmologysciencesOf or pertaining to the retina.
retinalnoun詞源 2/ˈɹɛt.əˌnæl/
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biochemistrybiologychemistryA yellow to orange aldehyde derived from vitamin A that is formed from rhodopsin by the action of light and in combination with proteins forms the visual pigments of the retinal rods and cones.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。