什么是 SurfLexAI？
SurfLexAI turns everyday web reading into language learning. Double-click any word on any page or PDF — it reads the context, gives the right meaning, and saves the word with its sentence. A built-in SM-2 spaced-repetition system brings it back right before you forget. Practice across 7 modes: flashcards, quick review, tests, writing with AI feedback, listening, chat/roleplay, and grammar lessons. 7 languages. Free forever, Pro optional. Mobile app coming soon.
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