相关关键词
adult classroom, adult learning, 脊背, 黑板, 藍色, 老弟, 马马虎虎, chalkboard, 愉悦, 阶级, classmates, 课室, 院校, college classroom, 電腦, 求学, 好看, 隽拔, 福, 高興, 高级中学, high school students, 印第安语, 学习者, 求学, 课业, 顯得, looking back, 雄性, 男的, 近代的, 黉, 开会, 莞尔, 门生, students in classroom, studying, 体恤衫, 科技, 十几岁, teenage, 青少年, 绮年, young adult, 青春
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