单词	circumcircle
释义	circumcircle noun cir·​cum·​cir·​cle ˈsər-kəm-ˌsər-kəl  : a circle which passes through all the vertices of a polygon (such as a triangle) Word History First Known Use 1885, in the meaning defined above
随便看	picnometer Pico della Mirandola Pico Rivera pico- picofarads picogram picogramme picogrammes picograms picoid picoideses picoidesses picol picoline picolines picolins picometeres picometers picometre picometres picomole picomoles picongs picopicogram picornavirus

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