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pyrethrum
  • 英语发声
  • 美语发声
  • n. [农药] 除虫菊;除虫菊杀虫剂
  • 网络释义

    1、除虫菊
    ...pyrene 分核pyrethrum 除虫菊pyretic 发热的 ...
    2、[农药]除虫菊
    ...pyrene 分核pyrethrum 除虫菊pyretic 发热的 ...

    短语

    Pyrethrum cineraefolium除虫菊

    pyrethrum Ointment翻译

    pyrethrum dalmatian达尔马提亚除虫菊;翻译

    pyrethrum camphor除虫菊脑

    Pyrethrum Solution除虫菊酯

    Pyrethrum cinera除虫菊

    florists pyrethrum红花除虫菊

    Pyrethrum krylovianum黑苞匹菊

    Pyrethrum carneum除虫菊;翻译

    专业释义

    农业科学
    • 除虫菊

      参考来源 - 菊亚族六个种的细胞学及太行菊的生殖生物学研究
    经济学
    • 除虫菊

      However, due to the natural source of pyrethrum, production and supply is limited, resulting in production costs, sales prices is higher than synthetic chemical pesticides.

      但由于天然除虫菊的来源、产量和供应有限,致使生产成本、销售价格比化学人工合成杀虫剂价格高。

      参考来源 - Z公司M天然杀虫剂市场开拓失败的个案分析
    生物学
    • 除虫菊

    英英释义

    pyrethrum [ paiə'ri:θrəm, -'re- ]

    n.
      made of dried flower heads of pyrethrum plants white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum

      同义词:Dalmatian pyrethrumDalmatia pyrethrumTanacetum cinerariifoliumChrysanthemum cinerariifolium

      spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum

      同义词:painted daisyTanacetum coccineumChrysanthemum coccineum

      used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum

      同义词:genus Pyrethrum




    英汉双解大词典

    pyrethrum /paɪˈriːθrəm/

    • 1.  

      N(名词) any of several cultivated Eurasian chrysanthemums, such as Chrysanthemum coccineum and C. roseum, with white, pink, red, or purple flowers 除虫菊