低音弦

例句：

1. 1. The cello is tuned to a low A note, which is the lowest pitch in the instrument.
   大提琴被调至最低的A音，这是乐器中最低的音。
2. 2.When playing the piano, you need to adjust the pitch of the bass strings to match the melody.
   弹钢琴时，你需要调整低音弦的音高以匹配旋律。
3. 3. Bass strings are often used in jazz and blues music to add a deep, resonant sound.
   在爵士乐和蓝调音乐中，低音弦常常用来增加深沉、共鸣的声音。