tonal island

例句：

1. 1. The tone of the speech was serious.
   演讲的语气很严肃。
2. 2.He sang with a different tone than usual.
   他唱歌时用了一种不同寻常的调子。
3. 3. The music had a unique tone that set it apart from other songs.
   这首歌曲有一种独特的调子，与其他歌曲区别开来。