Earlier Friday, BP's incoming CEO Bob Dudley, said it is time to scale down the vast operation to clean up the Gulf of Mexico oil spill, but he stressed his company's commitment to fully restore the environment.

VOA: standard.2010.07.31

Last time we worked through this idea of the scale and how you can build triads on each of the members of the scale.

上节课我们已经讨论过音阶中的这个概念,以及你们怎样才能在音阶的各个音上组建起三和弦。

耶鲁公开课 - 聆听音乐课程节选

Last time we worked through this idea of the scale and how you can build triads on each of the members of the scale.

上节课我们已经讨论过音阶中的这个概念,以及你们怎样才能在音阶的各个音上组建起三和弦。

耶鲁公开课 - 聆听音乐课程节选