one and only片語KK [wʌn ənd ˋonli] /wʌn ənd ˈoʊnli/發音片語1唯一的、僅有的This is the one and only copy of the contract we have.這是我們手上唯一的一份合約副本。2獨一無二的、舉世無雙的用於強調Ladies and gentlemen, please welcome the one and only Mariachi Queen!各位觀眾，請歡迎獨一無二的墨西哥歌后。名詞1唯一的愛人、心中唯一口語After twenty years, she is still his one and only.二十年過去，她依然是他心中唯一的愛人。