melodious

形容词 melodious:

1. having a musical sound; especially a pleasing tune
   同义词：tuneful
2. containing or constituting or characterized by pleasing melody
   同义词：melodic, musical

1. This piece of music is melodious.
   这首音乐音调优美。
2. She plays a melodious cello.
   她拉着一手悦耳的大提琴。

me.lo.di.ous

adj.（形容词）
Of, relating to, or containing a pleasing succession of sounds; tuneful.
音调和谐的：音调悦耳的，有连续的悦耳音响的，与其有关的；曲调优美的
Agreeable to hear:
悦耳的：
例句：
a melodious voice; the melodious song of a bird.
悦耳的嗓音；鸟儿悦耳的歌声

【引伸】
melo.diously
adv.（副词）
melo.diousness
n.（名词）