柯林斯词典concert grand 1. N a full-size grand piano, usually around 7 feet in length 平台钢琴; 一种大尺寸钢琴，通常为7英尺高→compare baby grand ,boudoir grand 返回 concert grand剑桥词典the biggest type of grand piano , usually used for concerts （通常用于音乐会的）大型钢琴，平台大钢琴 返回 concert grand