trombones n. 长号, 伸缩喇叭( trombone的复数形式 ) 释义与例句 n. 1. plural of trombone 相关短语 bass trombones rusty trombones slide trombones tenor trombones double trombones valide trombones rusty trombone bass trombone slide trombone tenor trombone double trombone valide trombone