pyrethrum 是什么意思 pyrethrum 怎么读
[paɪ'riːθrəm] [paɪ'riːθrəm] [paɪ'riːθrəm] [paɪ'riːθrəm]
n. 除虫菊
pyrethrum的英文翻译是什么意思,词典释义与在线翻译
Noun:
  1. made of dried flower heads of pyrethrum plants

  2. white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum

  3. 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

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

pyrethrum的相关资料
  • Chrysanthemum coccineum[医] 红花除虫菊
  • pyrethrum的用法和样例
    用作名词 (n.)
    1. This article draws up the pyrethrum ester insecticide.
      本品是拟除虫菊酯类杀虫剂。
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