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Reading the page…
Reading the page…
Words at your level. Meanings you're ready for. Help when you need it. 适合你水平的单词，为你准备好的释义，需要时的母语辅助。
Try: ephemeral, serendipity, ubiquitous 试试：ephemeral, serendipity, ubiquitous
Three tools that work together to take you from recognition to mastery. 三大工具协同工作，从认知到精通。
Every definition comes with a Chinese translation and example sentence — so you understand the word, not just memorize it. Covers 30,000+ headwords with native-quality bridges. 每个释义都配有中文翻译和例句——让你真正理解单词，而非死记硬背。覆盖3万+词头，母语级桥接翻译。
30,775 words12 question types that adapt to your level — from recognition to recall to production. Post-answer Chinese feedback reinforces learning instantly. No login needed for the first round. 12种题型，自适应你的水平——从认知到回忆到产出。答题后即时中文反馈，巩固学习效果。首轮无需登录。
12 question typesSnap a photo of any English text — a book, a menu, a sign — and we'll extract and define every word. Powered by on-device OCR, completely free. 拍下任何英文文本——书本、菜单、路牌——我们会提取并释义每个单词。由设备端OCR驱动，完全免费。
Free, no loginNo account, no download, no friction. Jump straight in. 无需账号，无需下载，零门槛。直接开始。
Get spaced repetition, offline access, pronunciation, and scan-to-reader on the mobile app. 下载移动端，享受间隔复习、离线访问、发音朗读、扫描阅读等更多功能。