價格：免費
檔案大小：153.5 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
The words you need to communicate with confidence. Vocabulary explanations and practice for advanced level (C1 to C2) learners of English. Perfect for both self-study and classroom activities. Quickly expand your vocabulary with over 100 units of easy to understand explanations and practice exercises.
支援平台：iPhone, iPad