英

[paɪ'riːθrəm]

美

[paɪ'riːθrəm]

n.除虫菊 new

pyrethrum的英文翻译是什么意思，意思释义：

英英释义

Noun:made of dried flower heads of pyrethrum plantswhite-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemumspring-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 Chrysanthemumused in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum

pyrethrum的用法和例句：

例句

用作名词(n.)This article draws up the pyrethrum ester insecticide.
本品是拟除虫菊酯类杀虫剂。

词汇搭配

pyrethrum extract
除虫菊萃pyrethrum powder
除虫菊粉pyrethrum flowers
[化] 除虫菊花...

pyrethrum的相关资料：

近反义词

【近义词】Chrysanthemum coccineum
[医] 红花除虫菊...

临近单词

pyrene
pyre
pyretic inducing exercise
pyretic pathogenic factor
pyretic pulmonary malaria
pyretic nasal obstruction
pyretic sunken ulceration
pyretic pulmonary disease
Pyrethrum roseum M.B.
Pyrenochaeta mackinnonsii
Pyrenochaeta unguishominis
pyretic invasion of uterus