lasting or existing for a long or apparently infinite time; enduring 长期的,持久的 his perennial distrust of the media. 他对媒体的长期不信任。 ■(of a plant) living for several years (植物)多年生的。 比较 annual, biennial cow parsley is perennial. 峨参是多年生的。 ■(especially of a problem or difficult situation) continually occurring (尤指问题或困难的情形)反复的,一再的 perennial manifestations of urban crisis. 一再出现的都市危机。 ■[attrib.](of a person) apparently permanently engaged in a specified role or way of life (人)定型的,不变的 he's a perennial student. 他永远是一个学生。 ■(of a stream or spring) flowing throughout the year (溪流,泉水)常年的,终年的
noun
a perennial plant 多年生植物
派生 perennially adverb 语源
mid 17th cent. (in the sense 'remaining leafy throughout the year, evergreen'): from Latin perennis 'lasting the year through' + -ial