This page shows the different variations of the Tłumacz Google from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free. Icons are available in PNG and vector.
There's one square with a Chinese symbol inside of it and another square with the letter A inside. The square with the A overlaps the bottom right corner of the square with the Chinese symbol. To the left of the A square and the bottom of the other square are two arrows pointing to both squares representing a switch.