词根词缀:dodeca-, dodec-
【来源及含义】Greek: twelve
【同源单词】dodecadactylitis, dodecadactylon, dodecagon, dodecahedral, dodecahedron, dodecaphony
词根词缀:gon-, gonio-, -gon, -gonal, -gonally, -gony
【来源及含义】Greek: corner, bend, angle
【同源单词】agonic, decagon, diagon, diagonal, dodecagon, enneagon