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Example
在實驗室用硝酸處理金屬樣品時，必須全程小心。
在实验室用硝酸处理金属样品时，必须全程小心。
When the lab uses nitric acid to treat metal samples, everyone must stay careful throughout the procedure.
Usage Notes
A strong, corrosive inorganic acid used in laboratories and industry; it should be handled with appropriate protective equipment.
Sottaku
About Sottaku
Sottaku is an app for learning a growing range of Asian and European languages with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.
Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.
Smart SRS System
Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.
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From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.
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