Like most of its relatives,the jinghu has two strings that are customarily tuned to the interval of

题目

Like most of its relatives,the jinghu has two strings that are customarily tuned to the interval of a fifth which the hair of the non-detachable bow passes in between.The strings were formerly made of silk,but in modern times are increasingly made of steel or nylon.Unlike other huqin instruments (erhu,gaohu,zhonghu,etc.) it is made of bamboo.Its cylindrical soundbox is covered with snakeskin on the front (playing) end,which forms a taut drum on which the bridge rests,sandwiched between the drum and the strings,which are connected to a peg at the bottom of the soundbox.

答案

像大多数它的同系乐器一样,京胡有两条通常意义上发音在第5音节（是do re mi fa so的so?）区间的弦,这两条弦穿过与胡身不可分的琴弓两端上的毛毛.弦曾经是由丝制作而成,但是到了现代已经升级成了金属琴弦或尼龙材质....