新概念英语-第一二三四册合集 is a comprehensive learning app that provides synchronized audio and exercises for all four volumes of the "New Concept English" textbook series. With features like bilingual text display, adjustable playback speed, and word lookup, this app offers a powerful and convenient way to study English.

The app includes the complete content of all four volumes, eliminating the need for an internet connection. It is compatible with both iPhone and iPad devices, ensuring accessibility for learners on different platforms. The exercises in the app cover every lesson, including the often neglected exercises for the even-numbered lessons in the first volume.

In addition to the standard features, this app offers innovative functions that enhance the learning experience. Users can create word lists, take vocabulary tests, and strengthen their memory of new words. With its user-friendly interface and comprehensive content, 新概念英语-第一二三四册合集 is a top choice for anyone looking to improve their English proficiency.

Please note that the app is free to download and use, and it is available in the Education & Reference category on the iPhone platform. For more information about the terms of use and privacy policy, please refer to the provided links.