视频中，一位戴眼镜的男子正在讲解或演示某个话题。他穿着蓝色外套，口罩挂在下巴上，右手拿着一个白色的物品，似乎在进行说明。背景是一个室内环境，有金属结构和一些设备。右侧显示的是手机相机界面，拍摄的是一个走廊场景，走廊两侧有柱子和栏杆，远处有一个人影。
The video shows a person wearing glasses and a face mask, which is pulled down to their chin. They are holding a small object in their hand and appear to be explaining or demonstrating something. The background features an industrial setting with large cylindrical structures and a staircase. On the right side of the screen, there is a camera interface displaying a live view of the scene, suggesting that the person might be recording or streaming the demonstration. The overall setting seems to be indoors, possibly in a factory or warehouse.
The man, wearing a blue jacket and a black mask around his neck, is in an indoor setting with a corridor in the background. He turns his head to face the camera while gesturing with his right hand. He then points to his face with his index finger and continues to speak. On the right side of the screen, there is a smaller video frame showing a corridor with people walking.