triangle
n
1 geometric figure withthree straight sides and three angles 三角形.
2 thing shaped like this 三角形的物体
a scarf made of a triangle of blue silk 用蓝绸子做的三角形围巾
a triangle of grass beside the path 路边的三角形草地
benches arranged in a triangle 排成三角形的长凳.
3 (music 音) percussion instrument consisting of a steel rod bent in the shape of a triangle and struck with another steel rod 三角铁(一种打击乐器). =>illus at App 1 见附录1插图, page xi.
4 situation involving three people, ideas, opinions, etc 含有三个(人、 主意、 想法等)的情况
a love triangle 三角恋爱.
5 (idm 习语) the eternal triangle => eternal.