常見例句雙語例句Popping frequency (11) The lowest resonance of a brass instrument mouthpiece.突出頻率（11）銅管樂器吹嘴的最低共振頻率。權(quán)威例句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