Ject对"octagonal" 的正确翻译：adj. 八边形的，八角形的。发音：[ɔk'tægənəl]。例句参考：Italian architect celebrated for his work during the Florentine Renaissance. His greatest achievement is the octagonal ribbed dome of the Florence cathedral. - 布鲁内莱斯基，菲利波1377－1446意大利建筑师，其作品在佛罗伦萨文艺复兴时期享有盛名。其杰作是佛罗伦萨大教堂的八边形肋骨穹隆；