“Progressive lesson in Chinese Spoken Language”的概念、定义、翻译、参考文献-科学参考

单词	Progressive lesson in Chinese Spoken Language
释义	Progressive lesson in Chinese Spoken Language Encyclopedia 文学汉语音韵学释 Progressive lesson in Chinese Spoken Language《汉语口语渐进教程》一部供汉语初级学习者使用的辅助教材。作者为英国传教士、汉学家艾约瑟（Joseph Edkins，1823～1905）。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。