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词汇 perennial
释义

perennial

adjective
/pəˈreniəl/
/pəˈreniəl/
  1. continuing for a very long time; happening again and again长久的;持续的;反复出现的
    • the perennial problem of water shortage缺水这个老问题
    • that perennial favourite, hamburgers汉堡包,永远受人喜爱的食品
    • Colonialism in different forms is a perennial theme of history.不同形式的殖民主义是历史的永恒主题。
  2. (of plants植物) living for two years or more多年生的Topics Timec2, Plants and treesc2
  3. 词源mid 17th cent. (in the sense ‘remaining leafy throughout the year, evergreen’): from Latin perennis ‘lasting the year through’ + -ial.

perennial

noun
/pəˈreniəl/
/pəˈreniəl/
  1. any plant that lives for more than two years多年生植物
    • a hardy perennial耐寒的多年生植物
    compare annual, biennialTopics Plants and treesc2
    词源mid 17th cent. (in the sense ‘remaining leafy throughout the year, evergreen’): from Latin perennis ‘lasting the year through’ + -ial.
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