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BNC: 22327 COCA: 20512

biennial

adjective
/baɪˈeniəl/
/baɪˈeniəl/
[usually before noun]
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  1. happening once every two years两年一次的
    • a biennial convention两年召开一次的大会
    Topics Timec2
    Oxford Collocations DictionaryBiennial is used with these nouns:
    • meeting
    See full entry
    Word Originearly 17th cent.: from Latin biennis (from bi- ‘twice’ + annus ‘year’) + -al.

biennial

noun
/baɪˈeniəl/
/baɪˈeniəl/
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  1. any plant that lives for two years, producing flowers in the second year两年生植物(第二年开花) compare annual, perennialTopics Plants and treesc2
    Word Originearly 17th cent.: from Latin biennis (from bi- ‘twice’ + annus ‘year’) + -al.
BNC: 22327 COCA: 20512
BNC: 22327 COCA: 20512
BNC: 22327 COCA: 20512

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