时间:2018-12-13 作者:英语课 分类:与美国小学生一起学英文第3册


英语课

   Hexagon 六边形


  A hexagon is a shape that has six edges and six vertices. 六边形是有六条边和六个顶点的图形。
  In other words, a hexagon has six angles 1 and six straight sides. 换句话说,六边形有六个角和六条直边。
  The angles inside of a regular hexagon add up to 720°. 标准六边形内角的总和是720度。
  Can you find hexagon-shaped objects around you? 你能找到周围的六边形物体吗?
  Honey combs are hexagons. 蜂巢是六边形。
  Some snowflakes are hexagons. 一些雪花是六边形。
  Also turtles' backs have hexagon shapes. 海龟壳也有六边形。

1 angles
n.角( angle的名词复数 );[比喻](考虑、问题的)角度;观点;轮廓鲜明的突出体
  • She angles her reports to suit the people she is speaking to. 她带着一定的倾向性作报告以迎合她的听众。 来自《简明英汉词典》
  • Angles of less than 90 degrees are called acute angles. 小于90度的角叫锐角。 来自《简明英汉词典》
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