1 sentence

1. 这组青铜编钟是按照古代的六律和六吕精心调试而成的。

   zhè zǔ qīng​tóng biān​zhōng shì àn​zhào gǔ​dài de liù​lǜ hé liù​lǚ jīng​xīn tiáo​shì ér chéng de.

   This set of bronze chime bells was meticulously tuned according to the ancient twelve-pitch system known as the 'Liu Lü'.

   Source: Dong Chinese Dictionary