What the whole note is, what all these symbols are are simply representations of duration so we have a symbolic language here that's going to represent the horizontal axis the axis of duration.

什么是全音符,这些符号又都是什么呢,这些就是简单代表了持续时间,因此我们这里有一套符号语言,来代表横轴,就是时值的那条轴

耶鲁公开课 - 聆听音乐课程节选

It's called the whole note.

称作全音符

耶鲁公开课 - 聆听音乐课程节选

You still have to hide the note from theft, but at least you don't have to hide a whole bunch of gold from theft.

你仍然需要小心藏好票据防止被偷走,但是至少你不用,再藏一堆金子了

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And this whole note obviously can be subdivided into two half notes and each of the half notes into two quarter notes each of these quarter notes into two eighth notes, and so on.

这个全音符,很明显,可以再分为两个半音符,每个半音符又可以再细分为两个四分之一音符,每个四分之一音符可以再分为两个八分之一音符,等等

耶鲁公开课 - 聆听音乐课程节选