triangle /ˈtraɪˌæŋɡəl/ CET4 TEM4

• 1. 

  N-COUNT A triangle is an object, arrangement, or flat shape with three straight sides and three angles. 三角形

  例：

  This design is in pastel colours with three rectangles and three triangles.

  这个图案色彩柔和淡雅，有3个长方形和3个三角形。

  例：

  Its outline roughly forms an equilateral triangle.

  它的大致轮廓是一个等边三角形。

• 2. 

  N-COUNT The triangle is a musical instrument that consists of a piece of metal shaped like a triangle. You play it by hitting it with a short metal bar. 三角铁 (一种打击乐器)

  例：

  My musical career consisted of playing the triangle in kindergarten.

  我的音乐生涯包括在幼儿园演奏三角铁。