The fifth degree of the scale after the tonic is the next most important and it's called the dominant note.

主音后面的区域中五度,是下一个重要的概念,它被称为属音

耶鲁公开课 - 聆听音乐课程节选

And so redefining then the temperature scale to the Kelvin scale, where t in degrees Kelvin is equal to t in degree Celsius, plus 273.15.

以K为单位的温度,是以℃为单位的温度,加上273。15度。

麻省理工公开课 - 热力学与动力学课程节选

So we've got a I chord built on the first degree of the scale, a V chord built on the fifth degree of the scale, a IV chord built on the--a IV chord built on the fourth degree, and a VI chord built on the sixth degree.

这样我们就有了建立在第一音级上的I和弦，第五音级上的V和弦，第四音级上的IV和弦，以及第六音级上的VI和弦。

耶鲁公开课 - 聆听音乐课程节选