Set phone ringtones, notification sounds, and charging prompts with a vast library of music, including pop, classic, anime, and more. Daily updates of 1000+ tracks. Customize ringtones with DIY editing.
Access educational content across devices for interactive online classes. View real-time learning reports and track progress. Download lessons for offline viewing and replay them anytime within three years.
Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up words with detailed explanations
Reference "Search words, phrases, and idioms across 13 authoritative dictionaries. Access ancient Chinese, poetry, and grammar explanations. Listen to standard pronunciations and view animated stroke orders.
Change voice with 16 high-quality effects, support real-time voice transformation and one-click recording playback. Access game script assistant for motivational voice texts and smart text-to-speech.
Learn piano basics with video lessons and note-taking features. Track daily and total practice time to stay consistent. Add notes from photos or system gallery. Recommend reliable books for further study.
A琵琶调音器 allows users to preset string pitches for A2/D3/E3/A3. It provides real-time feedback on pitch deviation and includes voice guidance for hands-free tuning. It automatically switches to the next string after successful tuning.
Block unwanted calls using custom number patterns with up to 6 wildcards. Intercept high-frequency nuisance number segments via big data analysis. AI smart blocking with adjustable sensitivity. Block known international numbers using a database.
Learn外贸 skills through structured courses on B2B and B2C strategies, Amazon content, and communication techniques. Access real-time case studies, join learner groups, and participate in live events and webinars.
Study for a driver's license exam with categorized questions, including multiple choice and true/false. Take simulated exams with 100 random questions. Review错题 and save favorite questions for later.
Access textbook content synchronized with school curriculum. Listen to English bilingual readings, Chinese poetry recitations, and math explanations. Set study schedules for previewing lessons.
Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up ancient Chinese words and phrases
Ancient Chinese dictionary provides detailed entries with pronunciation, word type, definitions, examples, translations, and comparisons. Includes over 32,000 entries, standard handwriting animations, and references from classical texts.
Adjust string pitches for cello with preset A3/D3/G2/C2 tones. Receive dynamic feedback on pitch accuracy. Use voice guidance for hands-free tuning. Automatically switch to next string upon successful tuning.
Study driver regulations with categorized questions and toggle between multiple-choice and true/false formats. Take simulated exams with 100 randomized questions. Review错题汇总 for repeated practice. Save favorite questions to my collection.
Access and review past exam questions with options to practice or memorize. Identify weak areas through repeated practice of mistakes. Get AI feedback on essays with detailed analysis. Use mnemonic songs for quick memorization.