triangular framing的用法和樣例：
例句
- An instrument consisting of an upright, open triangular frame with usually46 strings of graded lengths played by plucking with the fingers.
豎琴一種有一個通常系有四十六根長短不一的琴弦的直立的開放三角架、彈奏時用手指撥動琴弦的樂器 - A triangular frame for arranging billiard balls at the start of a game.
排放球的三角架在撞球比賽之前用來排放球的三角架
