Then they rubbed the clothes on flat pieces of wood, squeezed out the water and hung each piece to dry.

VOA: special.2010.03.28

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。

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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

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