Level 6 · word 18,566 of 20,000

biennial

/baɪˈeniəl/ American
  • adj. 两年一次的, 两年生的
  • n. 两年生植物, 两年一次的活动
Definition
  • adj. happening every two years or lasting two years
  • n. a plant that lives two years or an event occurring every two years
Example
The garden club holds a biennial flower show every two years.
园艺俱乐部每两年举办一次花展。