It differs little from the " sackbut " in appearance , and the playing technique has remained basically unchanged , except for the development of quicker slide technique . the trombone consists of 2 separate pieces 长号跟其他铜管乐器的一大分别是，长号并没有活塞，它是利用伸缩其u字型的双套管来改变音高。
2.
Therefore at that time , when all the people heard the sound of the cornet , flute , harp , sackbut , psaltery , and all kinds of musick , all the people , the nations , and the languages , fell down and worshipped the golden image that nebuchadnezzar the king had set up 7因此各方，各国，各族的人民一听见角，笛，琵琶，琴，瑟，和各样乐器的声音，就都俯伏敬拜尼布甲尼撒王所立的金像。
3.
The trombone , which traces its origin to the medieval " sackbut " - a popular instrument frequently played in the bands of kings and princes , at rituals , ceremonials and feasts , is one of the oldest instruments of the orchestra 长号是最古老的乐器之一，源于中世纪的萨克布" sackbut " 。由于长号堂皇而庄严的音质，最适宜于公众聚会或宗教仪式中吹奏，故于18世纪前，长号是剧场与教堂专用的乐器。
