mellifluous

1. ADJ A mellifluous voice or piece of music is smooth and gentle and very pleasant to listen to. 悅耳的; 溫柔的; 動聽的[正式] [usu ADJ n]

I grew up around people who had wonderful, mellifluous voices. 我是在一群有著悅耳動聽嗓音的人周圍長大的。