biennial是什么意思？

biennial

英[baɪˈeniəl] 美[baɪˈɛniəl]

• adj. （事件）两年一次的；
• n. 两年生植物；

复数：biennials;

副词：biennially;

例句

• 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.
• 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.
• The workers were strongly against the biennial election. 工人们强烈反对两年一次的选举.
• ...the biennial Commonwealth conference. 两年一届的英联邦会议

柯林斯高阶英汉双解学习词典释义

• ADJ
  两年一次的
  A biennial event happens or is done once every two years.
  例句
  ...the biennial Commonwealth conference. 两年一届的英联邦会议
• N-COUNT
  二年生植物
  A biennial is a plant that lives for two years. It flowers, produces seed, and dies in its second year.

英汉词典释义

• adj.
  (事件)两年一次的
  The workers were strongly against the biennial election. 工人们强烈反对两年一次的选举。

英英词典释义

• Noun
  1. 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
  1. occurring every second year;
  "they met at biennial conventions"
  2. having a life cycle lasting two seasons;
  "a biennial life cycle""parsnips and carrots are biennial plants often grown as annuals"