A soprano brass wind instrument consisting of a long metal tube looped once and ending in a flared bell, the modern type being equipped with three valves for producing variations in pitch.

• 小号一种高音铜管乐器，由一根从前为环状的金属管和呈喇叭口得末端构成，现代小号上装有三个活瓣以制造不同的音高