同根派生 英汉例句用作名词 (n.)Sing the deep vocal register of the melody with a deep voice.低声部旋律请用浑厚的声音演唱。For the entire voice played portamento designed method, in the traditional cello in the band is rare footage.为整个声部而设计的滑音奏法，在传统的大提琴乐队片段中实属罕见。