perennialKK [pɚˋɛniəl] /pɚˈɛniəl/發音形容詞1長期的、反覆出現的、不斷的The city still struggles with the perennial problem of traffic congestion.這座城市仍在應付交通壅塞這個長年的問題。2多年生的植物Most herbs in this garden are perennial and come back every spring.這座花園裡大部分的草本植物都是多年生的，每年春天都會再長出來。3歷久不衰的、長紅的、常青的Chocolate cake remains a perennial favorite at family gatherings.巧克力蛋糕在家庭聚會上始終是歷久不衰的最愛。4終年的、常年的The village depends on a perennial stream for its water supply.這座村子靠一條終年不乾的溪流供水。名詞1多年生植物植物She filled the flower bed with perennials to save work later.她在花圃裡種滿多年生植物，以減少日後的照顧工夫。顯示全部 6 個義項名詞2常青樹、長期熱門口語That old song is a perennial on late-night radio shows.那首老歌在深夜廣播節目裡一直是常青曲目。