biennially 

英汉解释

adv. 每两年；两年一次地；（植物）两年生地

同义词

r. biyearly

参考例句

1. The Festival will be held biennially in the future.
今后将每两年举办一次。
2. Expert proposal, pillow core at least biennially is changed, bask in every week.
专家建议，枕芯至少每两年换一次，每周都晒一次。
3. Housing stock transactions resulted from the development of housing management departments in the financial sector, and based on real estate market conditions biennially.
存量住房交易指导价，由房管部门会同财政部门制定，并根据房地产市场情况每两年调整一次。

英英解释

adv.
  1. every two years

网络释义

biennially
二年一次地; 两年一次地; 每两年; 一连两年的;