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单词	twenty-twenty
释义	twenty-twenty adjective twen·​ty-twen·​ty ˈtwen-tē  ˈtwən- variants or 20/20 1 of the human eye : meeting a standard of normal visual acuity twenty-twenty vision 2 : marked by facilely accurate discernment, judgment, or assessment hindsight is twenty-twenty Word History Etymology from the testing of vision by reading letters at a distance of 20 feet First Known Use 1875, in the meaning defined at sense 1 Medical Definition twenty-twenty adjective twen·​ty-twen·​ty variants or 20/20 ˌtwent-ē-ˈtwent-ē  : having the normal visual acuity of the human eye that according to one common scale can distinguish at a distance of 20 feet characters one-third inch in diameter twenty-twenty vision
随便看	glycosidases glycoside glycosides glycosidic glycosidically glycosuria glycosurias glycosyl glycosylate glycosylated glycosylated hemoglobin glycosylates glycosylating glycosylation glycosylations glycosyls glycuronic acid glycyl glycyls Glycymeridae Glycyphagus glycyrrhizae glycyrrhizas glyde glyoxalic acid

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。