| 词汇 | aphotic |
| 词根词缀 | 词源： "untouched by sunlight, lightless" (in ref. to deep-sea regions), 1903, Mod.L., from Gk. a- "not, without" + phos (gen. photos) "light," related to phainein "to show, to bring to light" (see phantasm). Aphotic zone is recorded from 1913. |
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