Teacher wearing a safety vest and crossing street with group of schoolchildren isolated on white background 免版税库存图片 teacher wearing a safety vest and crossing street with group of schoolchildren isolated on white background
一位亚洲女教师在学校建筑内戴着口罩辅导一名小学学生，特写镜头。小学生在教室里写字和学习。新冠疫情后学校复课的概念 免版税库存照片 一位亚洲女教师在学校建筑内戴着口罩辅导一名小学学生，特写镜头。小学生在教室里写字和学习。新冠疫情后学校复课的概念
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