a polygon with five angles and five sides
pentagonal /penʹtagənl/ adj
[Greek pentagōnon, neuter of pentagōnos pentagonal, from penta- + gōnia angle]
| 单词 | pentagon |
| 释义 | pentagonnouna polygon with five angles and five sides pentagonal [Greek pentagōnon, neuter of pentagōnos pentagonal, from penta- + gōnia angle] |
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