Translate words and phrases between English and . Look up definitions, synonyms, and antonyms. Scan text with camera for instant translation. Access offline dictionaries with over 350K entries. Bookmark words for later review. Pronounce words aloud.
Access questions with detailed explanations and AI feedback. Track progress through 400+ items. Compete on leaderboards. Unlock unlimited with premium subscription. Receive personalized grading and coaching. Assess skills with free sets.
Learn vocabulary with flashcards that include word meanings, pronunciations, example sentences, synonyms, and images. Test knowledge through image-based vocabulary challenges. Translate into multiple languages.
Learn and practice with detailed explanations and examples. Identify tense structures and usage contexts. Complete exercises to reinforce understanding and track progress over time.
Shanghai Youqianhua Information Technology Co., Ltd.
Learn words with spaced repetition scheduling
Learn vocabulary with customizable study schedules based on the Ebbinghaus forgetting curve. Review words at intervals to improve retention. Access wordbanks for exams like Gaokao, CET-4, TOEFL, and GRE.
Learn 5 languages through structured courses with native speaker instructors. Practice IELTS and TOEFL exam skills with targeted exercises. Access events and mentor feedback from 200+ experts. Track progress and complete interactive lessons.
Look up words via camera or speech input. Search in English-Vietnamese, Vietnamese-English, or English-English. View definitions, examples, and pronunciation. Includes study modes for TOEFL, TOEIC, and IELTS preparation.
Learn vocabulary and practice listening, speaking, reading,
Learn 600 vocabulary organized by topic, with definitions, examples, and pronunciations. Practice with interactive games and quizzes. Track progress and review regularly.
Practice TOEIC questions anytime with a customizable question bank. Track progress, review mistakes, and receive detailed explanations. Analyze performance with personalized score predictions.
Solve problems by scanning with the camera. Get step-by-step explanations and instant answers. Access solutions for various levels. Learn science, history, and other subjects through integrated content. Track progress and review detailed solutions.
Practice English with AI conversation and feedback
Practice spoken English with AI tutors for real-time feedback on grammar and pronunciation. Access courses for listening, speaking, reading, and writing. Simulate exams like IELTS and TOEFL with AI grading.
Learn with detailed explanations and examples. Identify tense types including simple past, past continuous, and past . Practice with exercises and quizzes. Review grammar rules and sentence structures for accurate usage.
Practice English pronunciation with AI feedback and native speaker audio. Record and analyze speech for clarity and accuracy. Access structured lessons for exams and everyday conversations.
Display class schedules and exam calendars. View academic performance charts to plan study strategies. List course grades, add courses for improvement, and track progress. Login with ctt-sis..edu.vn account.