subbass

例句：

1. 1. Thebass guitar is the main instrument in ajazz band.
   低音吉他是爵士乐队的主要乐器。
2. 2.The subbass sounds are very importantfor creating a deep, rich sound.
   次低音声音对于创造深沉、丰富的音效非常重要。
3. 3.In rock music, the subbassis often used to create a sense oftension and urgency.
   在摇滚音乐中，次低音常常被用来创造紧张和紧迫感。