fah
/fɑː/(亦作 fa)
noun
1- Music (in tonic sol-fa) the fourth note of a major scale【乐】大调音阶第四音。
1.1
- the note F in the fixed-doh systemF音。
词源
Middle English: representing (as an arbitrary name for the note) the first syllable of famuli, taken from a Latin hymn （see SOLMIZATION）.