perennial

perennial
adjective
  1. 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
  1. a perennial plant
    多年生植物
派生
perennially
adverb
语源
  1. mid 17th cent. (in the sense 'remaining leafy throughout the year, evergreen'): from Latin perennis 'lasting the year through' + -ial
英语宝典
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