余味: agreeable aftertaste; remaining taste; pleasant impression 短语和例子余味无穷 leave a lasting and pleasant impression or aftertaste
余味无穷: leave a lasting and pleasant impression or aftertaste
回味: 1.(食后余味) aftertaste; recollect the pleasant flavour of ...2.(从回忆里体会) call sth. to mind and ponder over it; enjoy in retrospect 短语和例子享受回味往事的乐趣 enjoy the pleasures of retrospection