The oldest recorded Slavic language, as used by the apostles Cyril and Methodius and surviving in texts from the 9th–12th centuries. It is related particularly to the Southern Slavic languages.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。