在钢琴上，你弹和弦，就得到和弦。

In learning piano you can play a chord and you've got the sound.

youdao

但是我一天得在钢琴上练4个钟头呀。

But I play on piano 4 hours a day.

youdao

他在钢琴上练同一个曲子练了半个小时了。

He has been practising the same tune on the piano for half an hour.

youdao

Having said that, let's assume that we do have the slower tempo here, one--Let me play a little bit at the piano.

说完这些,假设我们运用较慢的速度,一,我还是在钢琴上弹一下

耶鲁公开课 - 聆听音乐课程节选

Now let's play this on the piano.

现在我们在钢琴上弹一下。

耶鲁公开课 - 聆听音乐课程节选