triangle

名词 triangle:

1. a three-sided polygon
   同义词：trigon, trilateral
2. something approximating the shape of a triangle
3. a small northern constellation near Perseus between Andromeda and Aries
   同义词：Triangulum
4. any of various triangular drafting instruments used to draw straight lines at specified angles
5. a percussion instrument consisting of a metal bar bent in the shape of an open triangle

1. A percussion instrument consisting of a piece of metal in the shape of a triangle open at one angle.
   三角铁一种打击乐器，由一块三角形的金属构成，在三角形的一个角开口
2. A triangle of land.
   三角形的一块地
3. He outlined the triangle in red.
   他用红笔画出三角形。
4. The angles of a triangle total 180.
   三角形的三角之和等于180°。