brass mouthpiece
常见例句
- Popping frequency (11) The lowest resonance of a brass instrument mouthpiece.
突出頻率（11）銅琯樂器吹嘴的最低共振頻率。 - The brass player doesn't simply blow into the mouthpiece, however, he buzzes, compressing his lips and forcing air through them so that they vibrate together.
NPR: Young Tuba Player Gets Nod from Phila. Orchestra 返回 brass mouthpiece