mellifluous

The narrator's mellifluous voice made even the most technical passages of the audiobook enjoyable.

朗读者悦耳的嗓音让有声书中最专业的段落也变得引人入胜。

The mellifluous sounds of a cello drifted through the open window on a warm summer evening.

温暖的夏夜里，大提琴甜美的声音从敞开的窗户飘了进来。