the tune the cow died of

例句：

1. 1. The music was so beautiful thatit made me forget the tune.
   音乐如此美妙，以至于我忘记了旋律。
2. 2. She hummed a tune to herself as she walkedhome.
   她哼着曲子走回家。
3. 3. Thesinger's voice had a unique tunethat set it apart from others.
   歌手的声音有一种独特的旋律，使它与众不同。