<iframe title = "Faculty of Sciences Orientation Welcome Session - OWeek 2021" width="100%" height="600" src="https://www.youtube.com/embed/wrmAVw6wqXA?autoplay=1&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br> <br><a href="https://www.youtube.com/watch?v=wrmAVw6wqXA" target="new" rel="noopener">来源</a>