专注于学业

m shot of a young school boy sitting at a desk in a classroom. He is concentrating while completing school work with a blue coloured pencil. The boy is wearing a classic white short-sleeved shirt as part of his school uniform. Other students can be seen in the background. Stills are available similar to this scenario.

光厂(VJshi)视频提供专注于学业视频素材下载，适用于渴望，纯净，进展，铅笔，儿童等主题的内容创作。

作者署名：SolStock/Getty Images/SolStock/华夏视觉