杨琴：讲师，毕业于清华大学外文系。执教十多年，教授课程多门，参与多本国家级教材编写，出版编著一本，发表论文数篇。

Yang Qin, who graduated from the Department of Foreign Languages of Tsinghua University, has been teaching for more than ten years, taught many courses, participated in the compilation of many national textbooks, compiled one book and published several papers.