单词	20/20 vision
释义	20/20 vision20/20 vi·sion /ˌtwenti twenti ˈvɪʒən/ noun [uncountable] the ability to see perfectly without needing to wear glasses
随便看	island islander Islay isle Isle of Dogs Isle of Man Isle of Wight islet Islington ism -ism isn't ISO iso- isobar isolate isolated isolation isolationism isolationist Isolde isometrics isosceles triangle isotherm isotonic drink

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