A valved brass wind instrument that produces a mellow tone from a long, narrow tube that is coiled in a circle before ending in a flaring bell.
A valved brass wind instrument that produces a mellow tone from a long, narrow tube that is coiled in a circle before ending in a flaring bell.
一种有活瓣的铜管乐器，从漩涡形且端部有喇叭口的又长又细的管子里发出圆润的乐音。