20/20
twen·ty-twen·ty
or 20/20 (twĕn′tē-twĕn′tē, twŭn′tē-twŭn′tē)Noun | 1.20/20 - normal visual acuity, as measured by the ability to read charts at a distance of 20 feet |
单词 | 20/20 | ||
释义 | 20/20twen·ty-twen·tyor 20/20 (twĕn′tē-twĕn′tē, twŭn′tē-twŭn′tē)
20/20
Synonyms for 20/20
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