# 四级词汇CET4核心必考单词专业版HD — YY背单词英语四级听力口语历年真题

> CET-4 vocabulary memorization app based on forgetting curve theory. (iPhone/iPad app by 怡怡 沈.)

- Source: https://appshunter.io/ios/app/cet4hd/id616011687 (this page in markdown: same URL + `.md`)
- Developer: [怡怡 沈](https://appshunter.io/developer/582667064)
- Category: Reference, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 7 App Store ratings · 22 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 102 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2013-03-19
- Data updated: 2026-08-21
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cet4hd/id616011687/reviews.md

## What is 四级词汇CET4核心必考单词专业版HD?

YY背单词CET四级核心词汇专业版在艾宾浩斯(Ebbinghaus)遗忘曲线理论基础上, 结合众多背单词使用者的实战经验, 通过与使用者的简单交互, 利用人脑记忆黄金序列法找到学习者的记忆遗忘点，然后根据学习者的不同情况，逐渐调整适合其自身的黄金序列，在学习时间接近学习者记忆遗忘点时，重复学习者还没有形成长期记忆的内容，决定学习内容出现的频率和次数，直到记忆遗忘点消失，以达到长时记忆的效果。(所有内容均为离线模式，不需要连接互联网，软件支持iPhone、iPod touch、iPad等各版本的软硬件设备) 

=== 软件特色 ===
1、单词全: 覆盖了新大学英语教学大纲四级以及四级考试词汇必备的全部词汇 (注: 免费版可背诵1000个单词, 无任何功能性限制)。 

2、强悍的闪电记忆功能，利用智能记忆引擎，动态管理记忆黄金序列，数倍提高记忆效率。 

3、全文有声词典支持: 每个单词都提供详尽的中文解释、音标、发音、例句用法、联想记忆、词语辨析、英英解释等。 

4、生词字典：每一课学习过程中都能迅速切换到该课程的生词列表，每个单词都提供详尽的解释、音标、发音、例句用法等等，每个单词都可自主加入“生词本”中，帮助你快速记忆学习英文单词。 

5、全智能任务管理: 智能分配每天需要完成的单词任务, 学习者在完成任务的过程中潜移默化做到长效记忆的效果, 任务同时提供方便的回顾管理功能。 

6、提供单词收藏以及测试错题库等功能, 简便易用实用! 

以上仅仅是一个开始，本软件会不断更新与扩充内容，终身免费升级！ 

友情提示: 任何强大好用的工具都离不开使用者自身的努力, 工欲善其事，必先利其器, YY背单词这个利器已经提供给你, 就等你来体验使用与收获了! 

您在使用过程中遇见任何疑问或有任何建议，可随时通过软件里的帮助支持链接来与我们取得联系。

## Key features

- Ebbinghaus forgetting curve learning
- Personalized memory sequence adjustment
- Offline vocabulary learning
- Detailed word explanations with audio
- Smart task management
- Word collection and error tracking

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| YY背单词CET四级词汇完整版EN | $2.99 | one-time |


## Recent user reviews (10 of 22)

All indexed reviews: https://appshunter.io/ios/app/cet4hd/id616011687/reviews.md

### 5/5 — 很详细

*2020-06-21*

非常好用 单词的解释 例句 都很详细 近义词的不同用法部分做的非常好

### 1/5 — 收费无法支付

*2020-05-09*

收费不跳转，卡在21都算了
要使用者自己找，找到还无法支付？

### 4/5 — 还行吧！

*2018-05-08*

希望广告植入可以不那么生硬

### 5/5 — 分享

*2016-11-17*

好用

### 1/5 — 为什么无法更新

*2016-10-07*

太无语了，到二十一时就再也不可以更新新任务了

### 5/5 — 挺好的一款背单词运用程序！

*2016-09-25*

很好，值得拥有！

### 5/5 — 个人觉得挺好

*2016-09-09*

个人觉得挺好，如果可以自主选择会更好

### 5/5 — 很好

*2016-08-06*

非常好用，单词类似对比分析很细
希望有查询含义对比分析功能

### 3/5 — 不够人性化

*2016-06-21*

不可跳跃科目、任务，比较失败。每个人的学习能力和进度不一样。应该提供一个选项给用户，可以选择经典模式，或者自定义模式。
有待改善！

### 3/5 — 太死板

*2016-05-23*

设计的太死板，简直不给使用者一点自由！你只能跟着他的路，一遍又一遍地复习，用不了多久你就烦了。还要解锁关卡！！！以为自己是游戏吗？

## Frequently asked questions about 四级词汇CET4核心必考单词专业版HD

### Does YY背单词 have ads?

No, YY背单词 is ad-free, allowing for an uninterrupted learning experience.

### What is the core learning method of YY背单词?

YY背单词 utilizes the Ebbinghaus forgetting curve theory and a personalized golden sequence method to optimize memory recall and retention.

### Can I use YY背单词 offline?

Yes, all content and features in YY背单词 are available in offline mode, meaning you do not need an internet connection to use it.

### What devices support YY背单词?

YY背单词 supports iPhone, iPod touch, and iPad devices across various software and hardware versions.

### How does YY背单词 manage learning tasks?

The app features intelligent task management that assigns daily vocabulary goals and provides review functions to ensure long-term memory consolidation.

### What kind of word information does YY背单词 provide?

Each word includes detailed Chinese explanations, phonetic symbols, pronunciation, example sentences, mnemonic devices, English explanations, and more.

### Is YY背单词 updated regularly?

The app is continuously updated and expanded with new content, and users receive lifetime free upgrades.

### What is the user sentiment for YY背单词 based on ratings?

YY背单词 has received excellent user feedback, indicated by a high rating of 5.0 stars from 7 ratings.

## Version history (last 5 releases)

### 16.01 — 2020-06-15

- 修復bug

### 15.01 — 2020-05-23

- 校正部分單詞數據

### 10.10 — 2019-08-21

- 修復生詞本收藏的問題

### 10.01 — 2017-11-29

- bug fixes for iOS 11
- support iPhone X

### 9.02 — 2016-03-31

- bug fix

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All apps by 怡怡 沈: https://appshunter.io/developer/582667064

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*