| 单词 | biennial |
| 释义 | biennial —biennially, adv. /buy en"ee euhl/, adj. 1. happening every two years: biennial games. 2. lasting or enduring for two years: a biennial life cycle. 3. Bot. completing its normal term of life in two years, flowering and fruiting the second year, as beets or winter wheat. n. 4. any event occurring once in two years. 5. Bot. a biennial plant. Also, biyearly (for defs. 1, 2). [1615-25; BIENNI(UM) + -AL1] Usage. See bi-1. |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。