biennial
听听怎么读
英 [baɪˈeniəl]
美 [baɪˈɛniəl]
是什么意思
（事件）两年一次的；
两年生植物；
变形
复数：biennials
英英释义
biennial[ bai'eniəl ]
- n.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
- adj.
- occurring every second year
"they met at biennial conventions"
同义词：biyearly
- having a life cycle lasting two seasons
"a biennial life cycle"; "parsnips and carrots are biennial plants often grown as annuals"
同义词：two-year
- occurring every second year
学习怎么用
词组短语
biennial plant二年生植物
双语例句
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。
权威例句
The quasi-biennial oscillationThe quasi‐biennial oscillationThe influence of the equatorial quasi-biennial oscillation on the global circulation at 50 mbColorectal Cancer Mortality: Effectiveness of Biennial Screening for Fecal Occult BloodA report of the first biennial meeting on Capita Selecta in Complex Disease Analysis (CSCDA2010), Leuven, Belgium, August 25-27, 2010Complex population dynamics and control of the invasive biennial Alliaria petiolata (garlic mustard)Colonizing Abilities of 'Biennial' Plant Species in Relation to Ground Cover: Implications for their Distributions in a Successional...Atlantic Seasonal Hurricane Frequency. Part I: El Niño and 30 mb Quasi-Biennial Oscillation InfluencesMandel J, Church TR, Ederer F, Bond JHEffectiveness of biennial screening for fecal occult blood. J Natl Cancer Inst 91: 434-437Geographic patterns of herbivory and resource allocation to defense, growth, and reproduction in an invasive biennial, Alliaria peti...
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