4K 沉思的 Caucasian 学生正在思考考试/测试的答案，坐在教室课桌旁，接受小学教育，学习 股票录像 沉思的 Caucasian 学生正在思考考试/测试的答案，坐在教室课桌旁，接受小学教育，学习 股票录像
4K Portrait little african american girl schoolgirl happy ethnic kid child primary elementary school education study learn portrait 影视素材 Portrait little african american girl schoolgirl happy ethnic kid child primary elementary school education study learn portrait 影视素材
4K African american little girl child thinking outdoors smiling looking at camera ethnic kid dreaming cute student primary elementary 影视素材 African american little girl child thinking outdoors smiling looking at camera ethnic kid dreaming cute student primary elementary 影视素材
4K Caucasian preteen girl feeling boredom in school library tired kid child learner pupil daughter thinking upset with primary 股票录像 Caucasian preteen girl feeling boredom in school library tired kid child learner pupil daughter thinking upset with primary 股票录像
