The image is a digital illustration of a laboratory apparatus. It is a cylindrical device with a handle on top and a spout on the side. The body of the device is made of glass and has a blue liquid inside. The spout is connected to a metal rod that is used to measure the pressure of the liquid. The device is mounted on four wheels, allowing it to be easily moved around. The background is white, and there is Chinese characters at the bottom of the image.