biennials

英 [baɪˈɛnɪəlz] 美 [baɪˈɛniəlz]

n.  两年生植物(第二年开花)
biennial的复数



双语例句

  1. Some biennials can be induced to act as annuals and flower in the first year by appropriate cold or hormone treatments.
    适当的低温或激素处理可以诱导一些二年生植物变成一年生植物并且开花。
  2. 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.
    从萌芽到死亡经历两年的植物,两年开一次花,通常在第二年开花结果。
  3. The relation between the temperature and the growth dynamic of four biennials of Allium
    葱属4种植物植株生长动态与温度关系的探讨
  4. The proportion of the plant species in the soil seed banks in the 4 types of sandy grasslands is dominated by annuals and biennials;
    4种类型退化沙地土壤种子库的种类组成以1、2年生草本植物为主,所占比例79%~88%,多年生草本和灌木所占比例很小;