F clef bass clef低音谱号
Bass clef staff五线谱;低音谱号的工作人员;工作人员低音克莱夫
bass clef sign低音谱号
同义词：F clef
N（名词） the clef that establishes F a fifth below middle C on the fourth line of the staff 低音谱号 ( symbol: Also called F clef)