perennials

美 [pəˈrɛniəlz]英 [pəˈrɛniəlz]
  • n.多年生植物
  • perennial的复数
perennialsperennials

perennials

频次

  • 1
    ADJ-GRADED (尤指问题或困难)永恒的,持续的,亘古不变的
    You use perennial to describe situations or states that keep occurring or which seem to exist all the time; used especially to describe problems or difficulties.

    ...the perennial urban problems of drugs and homelessness...

    毒品和无家可归这两个一直困扰城市的问题

  • Both services are perennially short of staff.

    两个机构一直都是人手不够。

  • 3
    ADJ (植物)多年生的
    A perennial plant lives for several years and has flowers each year.

    ...a perennial herb with greenish-yellow flowers.

    开绿黄色花的多年生香草

  1. Perennials might give the wrong impression .

    多年生植物容易让人误解。

  2. The important value of annuals decreased , while the important value of perennials and shrubs increased gradually along with the restoration time .

    随着生态恢复的进行,一年生植物的重要值逐渐减小,多年生植物和灌木的重要值逐渐增大。

  3. The novel 's central theme is the perennial conflict between men and women

    小说的主题是男人和女人之间永无休止的冲突。

  4. There 's a perennial shortage of teachers with science qualifications .

    有理科教学资格的老师一直都很短缺。

  5. A perennial is a plant that lives indefinitely

    多年生植物是指能存活很多年的植物。

  6. Wild rice stem belongs to herb of marsh of gramineous vivacious perennial root .

    茭白属于禾本科多年生宿根沼泽草本植物。

  7. Name six perennials and six annuals suitable for indoor flower arrangement .

    列出多年生及一年生花朵各六种,它们必须是适合插花的

  8. He had only known the perennial widow , the discreetly expensive Frenchwoman .

    他只知道她是个永远那么年轻的寡妇,一个很会讲排场的法国女人。

  9. Herbage can be divided into three categories : annuals , biennials , and perennials .

    草本植物可分成一年生、二年生和多年生

  10. I wonder at her perennial youthfulness .

    我对她青春常驻感到惊讶。

  11. I perennial plants to provide complete sets of production equipment and technology .

    我厂常年提供成套的生产设备及技术。

  12. Benefit Analysis on Conservation Tillage in Farmland under Perennial Orientation Research

    长期定位试验下农田保护性耕作的效益分析

  13. Study on evaluation and cultivation of five perennial flowers

    5种宿根花卉品种性生长习评价及栽培研究

  14. A low woody perennial plant usually having several major branches .

    一种矮的木本的多年生植物,有几个大的分枝。

  15. Analysis and Application of Climatic Ecosystem Characteristics of Perennial Farmland Lotus Root

    多熟制春藕气候生态特性分析与应用

  16. What constitutes the good life is a perennial question .

    幸福生活的形成是一个长期的问题。

  17. The thermal dynamic analysis of tunnel drainage hole in the perennial frozen soil

    多年冻土中隧道泄水洞热动态分析

  18. OUR perennial need a large number of tailor-made custom models !

    本店常年需要订制大量的订做款!每款按照单价收费!

  19. These sources of water are mainly from perennial rivers .

    这些水源主要源自常流河。

  20. Primary Discussion about Valuing Safety Factors for Perennial Load of Insulators

    浅谈绝缘子常年荷载安全系数的取值

  21. The Effect of perennial and annual grasses mixture in plateau area

    高原地区多年生与一年生禾本科牧草混播效果

  22. Objective : To study the effect of CAP on perennial allergic rhinitis .

    目的探讨治疗常年性变应性鼻炎的方法。

  23. Controlling concrete temperature in perennial frozen earth area during constructing Qing-Zang Railway

    青藏铁路多年冻土区桥梁混凝土施工温度控制

  24. The 4020 is being used as major parent to develop perennial rice cultivars .

    宿根系4020正用作主要亲本进一步选育宿根栽培稻。

  25. Perennial of western North America having white flowers .

    北美西部开白花的多年生紫菀。

  26. The Republican Party might have slipped into perennial minority status .

    共和党很可能已经永远沦为少数派。

  27. Evaluation of perennial and annual cool - season forage grass varieties

    越年生和多年生冷地型禾本科牧草的品种比较

  28. Primary productivity and community dynamics of mixed perennial grass pasture

    多年生禾草混播草地初级生产力及群落动态研究

  29. Conclusion : This mode is effective in treating allergic and perennial rhinitis .

    结论:用本方法治疗常年性变应性鼻炎可获得很好的疗效。

  30. Random characteristic of perennial month evaporation and precipitation in Shaanxi

    陕西省多年月潜在蒸发量和降水量的随机特性