西语助手 is an essential tool for students and enthusiasts of the Spanish language. This Chrome extension offers features such as mouse-over word search, which allows users to quickly find meanings while browsing. It also provides segment-by-segment translation and PDF translation capabilities, making it easier to study various texts. With support for multiple translation engines—Bing, GPT, and Google—users can customize their learning experience. Moreover, synchronization with client learning records helps track progress and improve study efficiency.