musical ethics
音乐伦理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
China's first books were crafted from bamboo strips strung on string, and almost all ancient Musical Instruments were made of bamboo. Bamboo also had assigned roles within feudal ethics.
中国的第一本书就是用竹子串起来的，古代的很多乐器也是用竹子做的。
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