trombone

n. 长号；伸缩喇叭 名词：trombonisttrombone详解释义 trombone n.(名词) 【音】长号 伸缩长号 拉管 长度可调的U形波导节 伸缩喇叭 长喇叭 Noun a brass instrument consisting of a long tube whose length can be varied by a U-shaped slide trombone例句...