More than 1.5bn students around the world have been forced out of classrooms and seen their education disrupted by the Covid-led closure of schools and colleges.
由于新冠疫情导致中小学和大学纷纷关闭，manbetx app苹果 超过15亿名学生无法在教室里上课，学业受到很大影响。
您已阅读3%（208字），剩余97%（7378字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。