A wind instrument, such as the French horn or the trombone, made of brass or other metal. Sound is produced through vibration of the lips and adjustment of the length of the sound tube by means of valves or a slide.黄铜乐器：一种吹奏乐器，如法国号或长号，由黄铜或其他金属制成。声音由嘴唇的颤动和通过活塞或滑块调整音管的长度而产生