什么是 HiWord.AI？
Stop forgetting vocabulary. HiWord.AI uses SM-2 spaced repetition to review words right before you forget. 13 practice types, AI pronunciation coaching, AI conversations, AI-generated context stories, Chrome extension for saving words anywhere. 7 word banks covering KET, PET, IELTS, daily English, and crypto terms. Free, open source PWA — works offline, no ads.
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