CatNav

Provide you with comprehensive and authoritative Chinese data, including Chinese characters, words, idioms, poems and many other contents; At the same time, artificial intelligence technologies such as Q&A, photography, and voice are used to provide you with a more humane and efficient way of interaction, so that the troubles of illiteracy, forgetting to write and not being able to do Chinese questions are swept away; You can also easily add and manage your own vocabulary to improve the efficiency of learni