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AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.

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Discover how to integrate ideological and political education into graduate-level teaching across diverse disciplines while developing students' patriotic values and sense of national responsibility.
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学习二十大精神，奋进新征程


深入学习和理解中国共产党二十大精神，探索新时代中国特色社会主义发展道路，为实现中华民族伟大复兴的中国梦而努力奋斗。
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初级日语视听说


面向日语初学者，以视、听、说一体化训练提升实用日语听说能力，并融入日本社会文化知识。
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基础西班牙语实用词汇


通过词义辨析、生活场景和故事复现，掌握基础西班牙语词汇及常用动词的日常用法。
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基础汉语


Master essential Chinese language fundamentals through pinyin, greetings, numbers, self-introductions, daily conversations, and practical situations like shopping, dining, and directions.
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交际西班牙语视听说


以原声影视和生活场景训练初学者在不同社交场合用西班牙语表达。
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交际西班牙语视听说 (International Edition)

通过词汇、语法、语音练习和西语影视原声，学习在日常生活等场合进行西班牙语交流。
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交际西班牙语视听说 (西语版)

以西语原声电影和电视剧辅助词汇、语法与交际训练，帮助零基础学习者在日常场合用西班牙语表达。
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中国特色社会主义理论与实践研究


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本课程是博士研究生思想政治理论课必修课程。学习本课程是要进一步深化对中国特色社会主义理论体系的学习和掌握，进一步提高运用这一科学理论体系分析和理解当代中国和世界重大问题的能力。
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西班牙-拉美艺术史：经典佳作赏析


从西班牙早期艺术到拉丁美洲当代艺术，结合文化背景与经典绘画、雕塑和建筑作品，纵览艺术演变。
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自动控制原理


以数学建模、稳定性分析与校正方法，系统学习连续、非线性和离散自动控制系统。
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使用 NI ELVIS 平台开展线性系统分析、传感器测量和电机 PID 控制实验。
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大学生24式太极拳教程


面向初学者分解学习完整的24式太极拳，并结合五大流派访谈与传统体育文化讲解。
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