| 单词 | biennial |
| 释义 | biennial 2 ENTRIES FOUND: Learner's definition of BIENNIAL always used before a noun 1 : happening every two years两年一次的；每两年的
2 of a plant : living for only two years or seasons : having a life cycle that is two years or seasons long（植物）两年生的，两季生的
— bienniallyadverb
2 biennial /baɪˈɛnijəl/ noun plural biennials 2 biennial /baɪˈɛnijəl/ noun plural biennials Learner's definition of BIENNIAL [count] : a plant that lives for only two years or seasons : a biennial plant两年生植物；两季生植物 — compare 2annual, 2perennial |
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