icosihenagon
名词 n.
英文释义
名词 n.
- A polygon with twenty-one edges and twenty-one angles.
词形变化
词源
From Ancient Greek εἰκοσιέν (eikosién, “twenty-one”) + -gon, from εἴκοσι (eíkosi) (twenty) + ἕν (hén) (one).
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数据来源: Wiktionary