| 词汇 | octagon |
| 词根词缀 | 词源： 1650s, from L. octagonos, from Gk. oktagononos, lit. "eight-angled," from okta- comb. form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (see knee). 词根记忆： 八角形(octa+gon角)[octa-表示"八"(亦作octo)] 词根词缀： octagonoctagon八角形(octa+gon角) octa-表示”八”(亦作octo) octagon八角形(octa+gon角) october十月octolateral八边的(octo+lateral边的) |
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