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

这个图案色彩柔和淡雅，由有3个长方形和3个三角形构成。

Its outline roughly forms an equilateral triangle.

它的大致轮廓是一个等边三角形。

triangles of fried bread.

三角油炸面包。

My musical career consisted of playing the triangle at nursery school.

我的音乐生涯只是在幼儿园演奏三角铁。