健康未来4：让盲人重获光明
斯坦福大学开放课程[中英双字]健康未来：七个颠覆你思想的演讲4-让盲人重获光明
<br><br>
<div style="position:relative;height:0;max-width:854px;padding-bottom:56.25%"><iframe src="https://v.qq.com/txp/iframe/player.html?vid=h3325qwmezs" width="854" height="480" style="position:absolute;left:0;top:0;width:100%;height:100%" frameborder="0" scrolling="no" allowfullscreen=""></iframe></div><br><br>
页:
[1]