Well, in music the most basic symbol for the beat is the quarter note.

音乐中表示拍的最基本符号是四分音符。

youdao

Every gesture of the hand is going to be the equivalent of a quarter note.

每个手势都相当于一个四分音符。

youdao

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。

youdao

Well, in music the most basic symbol for the beat is the quarter note.

音乐中表示拍的最基本符号是四分音符

耶鲁公开课 - 聆听音乐课程节选

That tells a performer that the quarter note is carrying the beat.

这就告诉演奏者,四分音符表示拍

耶鲁公开课 - 聆听音乐课程节选

Think of the quarter you see the quarter note that's the beat.

你看到的四分音符就是拍

耶鲁公开课 - 聆听音乐课程节选

There are a series of variations, and in the last one Beethoven takes the theme from a quarter note pulsation through every diminution until it becomes mere vibration.

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