triangle
noun [ C ] uk/ˈtraɪ.æŋ.ɡəl/ us/ˈtraɪ.æŋ.ɡəl/
B2 三角形
a flat shape with three straight sides
an equilateral/isosceles triangle 等边／等腰三角形
三角形物
anything that has three straight sides
Which earrings did you buy in the end - the triangles or the circles? 最后你买了什么样的耳环——三角形的还是圆的？
三角铁（打击乐器）
a musical instrument consisting of a thin metal bar bent into a triangle shape that is hit with a metal bar to make a sound
US (UK set square)（画三角形用的）三角板
a flat piece of metal or plastic in the shape of a triangle with one angle of 90°, used for drawing angles
(also frame)（在台球等比赛开始时摆放球用的）三角板
a three-sided frame for arranging the balls at the start of a game of billiards, pool, etc.
- More examples
- Draw a perpendicular from the vertex of the triangle to its base.
- A triangle is a shape with three sides.
- The cloth was decorated with triangles of different colours.
- We cut some triangles of cheese.
- To make a star, put two triangles together.