Slow the song down to three quarter speed.

将歌曲减慢到四分之三的速度。

" We ran this printer at about a quarter speed to print this house, and we were able to complete the house in less than 48 hours of print time" .

" 我们用大约四分之一的速度运行这台打印机来打印这所房子，在不到48小时的打印时间内就完成了。"

What you want to do is to listen to the song once while reading the lyrics, then listen to the song one more time at three quarter speed, slowed down, with your eyes closed.

你要做的是一边读歌词一边听这首歌，然后闭着眼睛以四分之三的速度再听一遍这首歌， 放慢速度。