wordDNA：Vocabulary

Understand how words are built. wordDNA combines etymology, roots, examples, and offline study tools in a calmer, more natural interface.

wordDNA is a modern English-Chinese etymology app built around a simple idea: English words are easier to remember when you can see how they are made.

Look up a word and move beyond isolated meanings. wordDNA shows etymology, roots, prefixes, suffixes, pronunciation, word structure, and bilingual explanations, so advanced vocabulary becomes something you can reason about.

Included for free:

• English and Chinese word explanations
• Etymology, roots, prefixes, suffixes, and word structure
• Pronunciation and usage examples
• Offline local dictionary lookup
• Favorites and saved words
• Basic vocabulary packs
• Recent search history up to 50 words
• Basic quiz and review tools
• No ads, no login, no account, no cloud sync, and no third-party tracking

wordDNA Plus is an optional in-app purchase. Plus is required for:

• Unlimited search history
• Advanced word packs, including TEM8, TOEFL, and GRE8000
• Custom wordbooks
• Seven-star mastery tracking
• PDF export for recent searched words

wordDNA Plus is available as monthly and yearly auto-renewable subscriptions, or as a one-time lifetime unlock. Prices and free trial availability are shown in the app before purchase. Subscriptions can be managed or canceled in App Store account settings.

Your favorites, search history, wordbooks, and learning data stay on your device.

Privacy Policy: https://www.openetymology.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

wordDNA 是一款现代化的英汉词源 app，围绕一个简单的理念构建：当你能看见一个英语单词是如何构成的时，它会变得更容易记忆。

查询一个单词时，不再只是看到孤立的释义。wordDNA 会展示词源、词根、前缀、后缀、发音、单词结构以及双语解释，让高级词汇变成一种可以被理解和推理的东西。

免费包含：

• 英汉双语释义
• 词源、词根、前缀、后缀和单词结构
• 发音和例句
• 离线本地词典查询
• 收藏和已保存单词
• 基础词汇学习包
• 最近 50 个单词的搜索历史
• 基础练习和复习工具
• 无广告、无需登录、无需账号、无云同步、无第三方追踪

wordDNA Plus 是可选的 app 内购买项目。以下功能需要购买 wordDNA Plus：

• 无限搜索历史记录
• 高阶词汇包，包括 TEM8、TOEFL 和 GRE8000
• 自定义单词本
• 七星熟练度记忆追踪
• 最近搜索单词导出为 PDF

wordDNA Plus 提供月度和年度自动续期订阅，也提供一次性终身解锁。具体价格和免费试用信息会在购买前显示在 app 内。订阅可在 App Store 账号设置中管理或取消。

你的收藏、搜索历史、单词本和学习数据都会保存在你的设备本地。

隐私政策: https://www.openetymology.com/privacy 使用条款 (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/