perennialKK [pɚˋɛniəl] /pɚˈɛniəl/发音形容词1长期的、反复出现的、不断的The city still struggles with the perennial problem of traffic congestion.这座城市仍在应付交通壅塞这个长年的问题。2多年生的植物Most herbs in this garden are perennial and come back every spring.这座花园里大部分的草本植物都是多年生的,每年春天都会再长出来。3历久不衰的、长红的、常青的Chocolate cake remains a perennial favorite at family gatherings.巧克力蛋糕在家庭聚会上始终是历久不衰的最爱。4终年的、常年的The village depends on a perennial stream for its water supply.这座村子靠一条终年不干的溪流供水。名词1多年生植物植物She filled the flower bed with perennials to save work later.她在花圃里种满多年生植物,以减少日后的照顾工夫。2常青树、长期热门口语That old song is a perennial on late-night radio shows.那首老歌在深夜广播节目里一直是常青曲目。用这个字练口说→