单词	pure imaginary
释义	pure imaginary noun : a complex number that is solely the product of a real number other than zero and the imaginary unit pure imaginary adjective Word History First Known Use 1947, in the meaning defined above
随便看	sir knight sir rog Sir Roger de Coverley sir-reverence Sirach siracusa siracusae siracusas Sirat sircar sircars sirdar sirdars sire sire index sired Siredon siree sirees sireless siren siren call siren song siren songs sirenes

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