So, two different forms of a six-note pattern, let's go to a five-note pattern.

两种不同模式的六音符音阶,我们来看下五音符的模式

耶鲁公开课 - 聆听音乐课程节选

Now remember that there were only four different colors in the cartoon of the DNA double helix that we talked about and I told you that those colors are really - represent the bases but there's five of them here.

现在要记住只有四种不同的颜色,在双螺旋DNA的卡通模型上出现,我们刚说过这个,我告诉你们的这些颜色,它们代表不同的碱基,不过有五种碱基

耶鲁公开课 - 生物医学工程探索课程节选