- (pyrethrum 的复数) n.[植]除虫菊, [药]除虫菊杀虫剂
- pyrethum daisy: 《英文msh词典》Pyrethum Daisy ; [同义词] Pyrethum Daisy ; [主题词] Chrysanthemum cinerariifolium ; [英文释义] A plant species of the genus CHRYSANTHEMUM,family ASTERACEAE. The flowers contain PYRETHRINS,cinerolones,and chrysanthemines which are powerful contact insecticides. Most in the old Pyrethrum genus are reclassified to TANACETUM; some to other ASTERACEA genera.
- pyrethrum transiliense: n. 白花匹菊
- pyretic abundance: 《英汉医学词典》pyretic abundance ; 瘅
- pyrethrum tatsienense (bur.et franch.) ling: 《英汉医学词典》Pyrethrum tatsienense (Bur.et Franch.) Ling ; (拉)川西小黄菊
- pyretic apoplexy: 《英汉医学词典》pyretic apoplexy ; 火中
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