口型是演奏者与乐器的连接器官,它通过气流振动把声音传入乐器中,是长号演奏的基础。牙齿、号嘴的角度、上下唇的角度、微笑缩拢的口形是关系到长号演奏口形的影响因素和做到正确口形的要素。 The mouth is a connecting organ between the player and the instrument, which transmits the sound into the instrument through the vibration of the air stream, which is the basis for playing the trombone. Teeth, the mouth of the point of view, the angle of the upper lip, the lower lip of the smile is related to the trumpet playing the mouth of the influencing factors and to achieve the correct shape of the elements.