oqou とは？
oqou turns anything you read, books, articles, PDFs, into a language lesson. Tap any word for its meaning in context, save what's new, and let spaced repetition review make it stick. Supports 12 languages, runs privately on your device, and is free to start. Built for people who want to learn a language by actually reading, not by memorizing disconnected flashcards.
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まだコメントはありません。最初のひとりになりましょう！
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