“一句话”英语新闻HIGHLY EFFECTIVE COVID-19 VACCINE

Today we are going to talk about the COVID-19 vaccine developed between Astrazeneca and the University of Oxford. 每天只需要1分钟，听英语新闻，了解国际国内大事，更重要的是还能转化成自己的知识，小伙伴们一定要坚持看完视频哦！