| 单词 | colour vision |
| 释义 | > as lemmascolour vision colour vision n. [compare slightly earlier colour blindness n.] the ability to perceive or differentiate between colours. ΚΠ 1798 Mem. Literary & Philos. Soc. Manch. 5 i. 28 (header) Extraordinary facts relating to the vision of colours: with observations.] 1853 Monthly Jrnl. Med. Sci. Dec. 503 Mr. N. had a brother and a cousin as defective in colour-vision as himself. 1954 Househ. Guide & Almanac (News of World) 211/2 Tests of colour vision should be instituted at two stages. Firstly, there should be tests at school to discover those who are seriously defective. 2009 Sci. Amer. (U.K. ed.) Apr. 40/1 Almost all nonprimate mammals are dichromats, with color vision based on just two kinds of visual pigments. < as lemmas |
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