PolkaPulse is committed to popularizing polkadot blockchain knowledge in the Chinese community. I would like to tell you about my effort. Here is the list of 5 videos with Chinese subtiles posted on youtube and bilibili:
https://www.youtube.com/playlist?list=PLcsFt6NvoehJGtzQP8vkp_bacHLt_Nzdv
https://space.bilibili.com/33146883/channel/seriesdetail?sid=261718&ctype=0
The purpose of translating the official website video is to popularize the basic knowledge of polkadot to more people, so that they understand some basic operations, and let more people participate in the polkadot ecology.