ec dictionary is a fast and easy-to-use en-zh/zh-en offline dictionary. its items are up to 200,000, which support the interpretation of simplified and traditional chinese, part of speech, pronunciation, and example sentences and include toefl, ielts and other school-age words. it supports mobile phones and tablets of all platforms, and is equipped with multi-language translation, memorizing words and other practical functions. welcome to download for free.