(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season
Adjective:
having a life cycle lasting two seasons;
"a biennial life cycle"
"parsnips and carrots are biennial plants often grown as annuals"
occurring every second year;
"they met at biennial conventions"
双语例句
1. The workers were strongly against the biennial election.
工人们强烈反对两年一次的选举.
来自《简明英汉词典》
2. It may subsequently become a weak grower and a distinctly biennial cropper.
随后会引起树势衰弱,明显两年结一次果.
来自辞典例句
3. If the biennial cycle is broken for one year the trees normally bear annual crops subsequently.
如果一年里打破了大小年的循环周期,植株以后就可正常结果.
来自辞典例句
4. His is a biennial, and one of the most useful pasture plants we have.
这是两年生植物, 也是我们最有用的牧草之一.
来自辞典例句
5. European biennial widely cultivated for its blue or violet or white flowers.
因其蓝色紫色或白色的花而被广泛种植的欧洲两年生草本植物.
来自互联网
用作形容词 (adj.)
Every union has its own annual or biennial meeting. 每个工会都有自己的年会或每二年一次的大会。
The workers were strongly against the biennial election. 工人们强烈反对两年一次的选举。
They met at biennial conventions. 他们是在两年举行一次的大会上遇见的。
All annual and biennial plants are monocarpic. 所有一年生及二年生植物都是结果一次后死去。
用作名词 (n.)
This is a biennial, and one of the most useful pasture plants we have. 这是两年生植物,也是我们最有用的牧草之一。
