pyrethrum
pyretic pyrex pyrexia pyrexial pyrexic pyrgeometer pyrheliometer pyriform pyrites pyritic pyritical pyritiferous pyro- pyrochemical pyrochemically pyrochemistry pyroclastic pyroconductivity pyroelectric pyroelectricity pyrogenetic pyrogenic pyrogenicity pyrogenous pyrograph pyrographer pyrographic pyrography pyrogravure |
pyrethrum /pai'ri:θrəm/
danh từ
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