VocabularyShop is the most powerful, most advanced, high-efficient, intelligent vocabulary development tool in the world today. It is designed based on modern cognitive psychology theory on the human learning behavior, and implemented with the most advanced technologies available today, such as the Relational Database Management System (RDBMS), Java, C++, Text To Speech (TTS), etc. This software offers its users great freedom to customize their study to meet a wide variety of personal needs. It