The functions of the plug-in include: 1. It can translate web content in real time, and both the original text and the translated text will be displayed on the web page. 2. It can translate the entered text. 3. It can translate the sound inside the webpage. 4. It can be used to translate messages (including text messages, voice messages, and video messages) on various social software, office software, and conference software, and it can also translate voice calls or video calls on social software in real time.