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词汇	cardioid
释义	car·di·oid AHD[kärʹdē-oid'] D.J.[ˈkɑːdiːˌɔɪd]K.K.[ˈkɑrdiˌɔɪd]n.（名词）constructed from circle DEF and its secants through fixed point DClarinda/Academy Artworks A heart-shaped plane curve, the locus of a fixed point on a circle that rolls on the circumference of another circle with the same radius.心脏线：一种心形的平滑曲线，圆周上一固定点绕另一具有相同半径的圆的圆周转动的轨迹
随便看	fumigate fumigated fumigates fumigating fuming fumitories fumitory Fumé Blanc fun fun Funabashi Funafuti funambulist funambulists function function functionaire functionaires functional functional change functional group functional illiterate functionalism functionalisms functional isomer

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