A whole note or semibreve is the equivalent in duration of two half notes or minims, and these may be subdivided to give four quarter notes or crotchets. 一个全音的时值等于两个半音，可以进一步分为四个四分音符，八个八分音符，以此类推。
eighth note英英释义
Noun:
a musical note having the time value of an eighth of a whole note
