Streaming output
Long passages start rendering instantly — reading and translating overlap instead of queueing.
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A translator tuned for study: streaming output you can read as it arrives, terminology that stays consistent across a document, and the original text always one glance away.
Drop in a passage, a page, or text from one of your imported books.
Translation renders sentence by sentence, so you start reading immediately instead of waiting for the whole block.
Source and translation sit side by side, so technical claims can be verified rather than taken on faith.
Long passages start rendering instantly — reading and translating overlap instead of queueing.
Key terms are translated the same way throughout a document, which generic translators routinely get wrong.
Academic register is preserved: definitions stay definitions, hedges stay hedges, and formulas are left intact.
Translate inside your imported materials, so foreign-language sources join the same reading and review loop.
Read papers outside your working language with terminology you can trust in citations.
Work through textbooks in the course language while checking understanding against your native one.
Use side-by-side originals and translations as graded reading material at your level.
It's built for study: terminology stays consistent across a whole document, academic register is preserved, and the original text stays side by side for verification. It also lives inside your LearnBook library rather than a separate tab.
All major languages LearnBook's interface supports — including English, Chinese, Japanese, Korean, Spanish, French, German, and more — in any direction.
Yes. Select text inside any imported book to translate it in place, keeping the translation linked to the source passage.