“pyrethrum”的概念、定义、翻译、参考文献-科学参考

单词	pyrethrum
释义	pyrethrum [pī`rē·thrǝm] ^MATERIALS A toxicant obtained in the form of dried powdered flowers of the plant of the same name; mixed with petroleum distillates, it is used as an insecticide.
随便看	pelletization pelletizer pellet mill pelletron pellet technique pellicle pellicularia disease pellicular resins pellicular water pell-mell structure pellodite pellotine Pelmatozoa pelmicrite Pelobatidae pelodite Pelodytidae pelogloea Pelogonidae Pelomedusidae Pelonemataceae Pelopidae United States Survey foot unitegmic unit element

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