harmonious

小提琴和钢琴的声音非常和谐悦耳。

The violin and piano created a ___harmonious melody together.

大家聚在一起，气氛很融洽。

Everyone is gathered together in a ___harmonious atmosphere.

这一叙述是和谐的，各部分相互契合。

The story is ___harmonious, its parts fitting together.