Nielli (objects decorated with niello) were produced in ancient Rome and 9th-century England. In Russia niello work is known as Tula work.是什么意思_Nielli (objects decorated with niello) were produced in ancient Rome and 9th-century England. In Russia niello work is known as Tula work.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句