1、The hexachord is a set of six pitches that form the basis of a certain musical composition.
这个六和弦是一组六个音高，构成了某种音乐作品的基础。
2、In music theory, a hexachord refers to a series of six consecutive pitches, typically within a scale or melody.
音乐理论中，六和弦指的是一系列连续的六个音高，通常出现在音阶或旋律中。