The researchers estimate that the five-hole flute would produce an even wider mix of notes.

VOA: special.2009.08.18

What were the five lessons? Without looking at your notes, what were the five lessons? Anybody, shout out one of the lessons, yes madam.

别看笔记,告诉我这五个结论,谁知道哪五个结论,这位女士,请大声说出一个

耶鲁公开课 - 博弈论课程节选

Five notes within the octave just there.

八度里只有五个音符

耶鲁公开课 - 聆听音乐课程节选