octagon 英 [ˈɒktəgən] 　 美 [ˈɑktəgɑn]

octagon

octagon　 英 [ˈɒktəgən] 美 [ˈɑktəgɑn]

n. 八边形，八角形　

名词复数:octagons　

an octagonal coin　八角形硬币
Of course. Octagons have eight sides.　当然。八边形有八个边。

  • An octagon is a shape with eight sides. Picture a stop sign, and you'll get the idea.
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  • n. 八边形，八角形

  • 1. an octagonal coin

    八角形硬币

  • 2. Of course. Octagons have eight sides.

    当然。八边形有八个边。

  • 3. But some octopuses in octagon were found!

    但却发现了八角形的章鱼！

  • 4. I even had my own octagon training ring designed.

    我还请人设计了 专用的八角训练场。

  • octagon (n.) 1650s, from Latin octagonos, from Greek oktagononos, literally "eight-angled," from okta- combining form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (from PIE root *genu- (1) "knee; angle"). Also octogon (1650s), from French octogone.
octa·gon / ˈɒktəɡən ; NAmE ˈɑːktəɡɑːn / noun ( geometry 几何 ) a flat shape with eight straight sides and eight angles 八边形；八角形 ▶ oc·tag·on·al / ɒkˈtæɡənl ; NAmE ɑːkˈtæɡənl / adjective ◆ an octagonal coin 八角形硬币 octagon octagons octa·gon / ˈɒktəɡən ; NAmE ˈɑːktəɡɑːn / oc·tag·on·al / ɒkˈtæɡənl ; NAmE ɑːkˈtæɡənl /
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