monophonic

1. 1.

   Having a single channel.

   单声道的。

2. 2.

   Having a single melodic line and no harmony.

   单声部的,只有一条旋律线而无和声。

3. 3.

   Having simple one-to-one mapping between letters and phonemes.

   字母与音素一一对应的。

单声部的,只有一条旋律线而无和声。；字母与音素一一对应的。；单音