<iframe title = "阿德莱德" width="100%" height="600" src="https://www.youtube.com/embed/8cXqwKUN6vI?autoplay=1&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>欢迎来到美丽的阿德莱德,这是个安静悠闲的城市。 <br><a href="https://www.youtube.com/watch?v=8cXqwKUN6vI" target="new" rel="noopener">来源</a>