司博科易听说 app for iPhone and iPad 4.6 ( 9056 ratings ) Education Developer: 立君 张 Free Current version: 2.1.7, last update: 1 year ago First release : 10 Mar 2019 App size: 67.55 Mb 随时随地练习课堂口语，帮你快速提高口语能力，快速提高英语成绩。