调子

例句：

1. 1. The song has a very pleasant melody.
   这首歌有一个非常悦耳的旋律。
2. 2. His speech had a distinctly different tone than his colleagues.
   他的演讲与他的同事们截然不同。
3. 3. The music changed the mood of the room.
   音乐改变了房间的气氛。