经历情绪低谷时，我会听音乐来缓解心情。

During emotional ___lows, I listen to music to feel better.

在项目失败后，他经历了一段情绪低潮期。

After the project failed, he went through some emotional ___lows.

这首歌的低音部分特别震撼。

The ___lows in this song are particularly powerful.