biennial
US /baɪˈen.i.əl/
UK /baɪˈen.i.əl/

形容词
1.
两年一次的, 两年期的
happening every two years
示例:
•
The art exhibition is a biennial event.
这个艺术展是两年一度的活动。
•
They hold a biennial conference for all members.
他们为所有成员举办两年一次的会议。
名词
1.
二年生植物
a plant that takes two years to complete its life cycle, flowering and fruiting in the second year
示例:
•
Carrots are an example of a biennial plant.
胡萝卜是二年生植物的一个例子。
•
Many garden flowers are biennials, blooming in their second year.
许多园林花卉是二年生植物,在第二年开花。
在 Lingoland 学习这个单词