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单词 biennial
释义

biennial

Word family  adjectivebiennialadverbbiennially
Related topics: Chronology, Plants
bi·en·ni·al /baɪˈeniəl/ adjectiveadj  
1. TMCTWOa biennial event happens once every two years 两年一次的 → annual
2. HBPa biennial plant stays alive for two years 〔植物〕两年生的
→ annual, perennial
—biennially adverbadv
Examples from the Corpus
From Longman Business Dictionary
biennialbi·en·ni·al /baɪˈeniəl/ adjectiveadj
happening once every two years
the biennial report published by the BDDA
→ compare biannual
Origin biennial
(1600-1700) Latin biennium “two-year period”, from bi- ( → BI-) + annus “year”
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更新时间:2026/9/25 10:42:27