Extension.vn

DejaVocab - 得记单词

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Learn English on YouTube with bilingual subtitles, one-click word & phrase lookup, and an AI sidebar for any webpage. DejaVocab — more than memorizing. Build your own language intuition network. 1️⃣ Immersive YouTube learning view ▸ A distraction-free fullscreen player replaces YouTube's default UI ▸ Bilingual subtitles (original + your native language) generated on demand ▸ Click any word for an instant dictionary card: definition, part of speech, examples ▸ Click a phrase for a natural-language explanation ▸ Built-in grammar panel breaks down tricky sentences ▸ Edit, copy or save a subtitle line with one click ▸ Re-play any line while you think, without losing your place 2️⃣ AI sidebar on any webpage ▸ Open the side panel from the toolbar on any site ▸ Translate the whole page — or just a selection ▸ Summarize long articles in seconds ▸ Explain a confusing sentence, idiom or jargon in plain English ▸ Rewrite selected text: simpler, more formal, shorter, longer ▸ Screenshot the screen and ask the AI about what's in it ▸ Full chat history so you can revisit older answers ▸ Organize saved items into Collections by topic or source 3️⃣ One vocabulary, across all your devices ▸ Words, phrases and saved sentences sync to your DejaVocab account ▸ Review the same vocabulary in the DejaVocab iOS and Android apps ▸ No more scattered notes in three different places 4️⃣ Intuition Network (Ultra & Lifetime) ▸ Semantic search across every phrase you've ever saved ▸ Find a phrase by the idea, not the exact wording ▸ Rediscover expressions you saved months ago when you need them today ▸ Runs privately on your own library — the model searches only your data 5️⃣ Built for real learners ▸ Works with any YouTube video that has a spoken track ▸ Works on articles, blogs, docs, forums — any webpage ▸ Clean English / Simplified Chinese UI, switchable at any time ▸ Free plan covers core lookup and daily AI usage ▸ Ultra / Lifetime plans unlock higher quotas, Intuition Network and priority support 🔒 Privacy ▸ The extension only runs when you trigger it (lookup, selection, screenshot, side panel) ▸ No page content is sent anywhere without an explicit action ▸ Saved vocabulary and AI chats are tied to your account and visible only to you ▸ We do not sell your data 🚀 Getting started 1. Install DejaVocab 2. Click the toolbar icon and sign in (or create a free account) 3. Open any YouTube video — it switches into the DejaVocab learning view automatically 4. On any other site, select text and open the side panel to translate, summarize, explain or rewrite

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