英语语法分析

At that time, balalaikas were made by the players themselves.

当时，巴拉莱卡琴都是演奏者自己制作的。

He created a whole family of balalaikas of different sizes, all with three strings.

他创造了一整套大小不一的三弦琴，每个琴都有三根琴弦。

Andreev founded the first balalaika orchestra in the world, mainly using balalaikas to perform.

安德烈夫创立了世界上第一个三弦琴管弦乐团，这个乐团主要使用三弦琴进行演奏。