| 单词 | biennial |
| 释义 | Word Frequency biennial(baɪˈɛnɪəl) adjective 1. occurring every two years 2. lasting two years Compare biannual noun 3. a plant, such as the carrot, that completes its life cycle within two years, developing vegetative storage parts during the first year and flowering and fruiting in its second year Compare annual (sense 3), perennial (sense 3) 4. an event that takes place every two years Derived forms biennially (biˈennially) adverb |
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