短語詞組短語pitch -down tendency 下俯趨勢Pitch Nose Down Quickly 機鼻快速下移Pitch Nose Down 機鼻下移PEDAL PITCH DOWN 下方踏板音高Pitch down tendency 機頭下沉趨勢sudden pitch down 突然下俯pitch down n 船首傾 返回 pitch down