| 单词 | twenty-twenty |
| 释义 | twenty-twentyor 20-20[ twen-tee-twen-tee, twuhn-tee-twuhn-tee ] / ˈtwɛn tiˈtwɛn ti, ˈtwʌn tiˈtwʌn ti / SEE SYNONYMS FOR twenty-twenty ON THESAURUS.COM adjectiveOphthalmology. having normal visual acuity. keenly or acutely perceptive: an opinion based on twenty-twenty hindsight. Origin of twenty-twentyFirst recorded in 1935–40 Words nearby twenty-twentytwenty-third, Twenty-third Amendment, Twenty-third Psalm, Twenty Thousand Leagues Under the Sea, twenty-three, twenty-twenty, twenty-twenty hindsight, twenty-two, 'twere, twerk, twerp Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for twenty-twentytwenty-twenty adjectivemed (of vision) being of normal acuity: usually written 20/20 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for twenty-twentytwenty-twenty 20/20 (twĕn′tē-twĕn′tē) Having normal visual acuity. A person with twenty-twenty vision can see type as small as one-third of an inch at a distance of twenty feet. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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