词汇“pyrethrum”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	pyrethrum
释义	pyrethrumpyrethrum[paiˈri:θrəm]n.1.■【植】红花除虫菊2.■除虫菊粉特殊用法Anacyclus pyrethrum1.■南欧派利吞草
随便看	positive reinforcing stimulus positive rotation positive salvage value positive semidefinite form positive sense positive-sequence current positive-sequence power positive set positive shear positive shift positive shoreline positive side rake angle positive sign positive signal positive space positive speed gearbox positive spike positive spin positive spinel type positive spread positive square root positive stability contribution positive step positive stop positive strand

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