其次，它会保护镶嵌，内饰线和音孔饰圈等不会相互染色，特别是来自背侧板的油脂和颜色。

Second, it will help protect the inlays, purflings, and the rosette from color contamination due to the oils and dyes in the back and sides of the classical guitar.

youdao

其次，它会保护镶嵌，内饰线和音孔饰圈等不会相互染色，特别是来自背侧板的油脂和颜色。

Second, it will help protect the inlays, purflings, and the rosette from color contamination due to the oils and dyes in the back and sides of the classical guitar.

youdao