hypochord

例句：

1. 1.The orchestra plays with a subtle balance between the treble and the bass.
   乐队在高音和低音之间微妙地平衡演奏。
2. 2.The composer's composition is rich in harmonic complexity, requiring skilled musicians to perform it correctly.
   作曲家的作品充满了和声的复杂性，需要熟练的音乐家正确地表演。
3. 3.In classical music, the use of the subbass can create a sense of depth and weight in the soundscape.
   在古典音乐中，使用次低音可以创造出声音景观的深度和重量感。