例句與造句

1. 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(gè)通常系有四十六根長(zhǎng)短不一的琴弦的直立的開放三角架、彈奏時(shí)用手指撥動(dòng)琴弦的樂器
2. It's difficult to find triangular frame in a sentence. 用triangular frame造句挺難的