【中英双字】【屈光/视力检查趣味科普】How Does That Hot Air Balloon Know Your Eye Power

[视频作者] MaoM,

[视频时长] 3:57

[视频类型] 校园学习

https://www.youtube.com/watch?v=Qc0vXt3uwD8 原标题：How Does That Hot Air Balloon Know Your Eye Power? | A Look Into If there is infringement, please contact to delete