And then I could put a flat end here and I could put phosphorus here.

然后我把一个末端平面放在这儿,一块磷放在这儿。

麻省理工公开课 - 固态化学导论课程节选

And then at the end of the process I have another whole step from B-flat back to C, and that gets me back to my octave in that fashion.

最后一步,从降B回到C是一个全音级,然后完成了整个八度

耶鲁公开课 - 聆听音乐课程节选