twenties 是 twenty 的變化形twentyKK [ˋtwɛnti] /ˈtwɛnti/形容詞1二十的、二十個She invited twenty guests to her housewarming party.她邀請了二十位客人參加喬遷派對。名詞1二十Add ten and ten and you get twenty.十加十等於二十。2二十歲、二十幾歲常用複數He started his own company in his early twenties.他二十出頭就自己開了公司。3二十元紙鈔口語Can you break a twenty for me?你可以幫我把一張二十元的鈔票換開嗎﹖