ThinkThink
Wonderfy Inc.
Think Academy Student
Think Academy International Education Inc
多邻国|高效学外语
Duolingo
剑桥词典 +Plus
Cambridge University Press & Assessment
Quizlet:人工智能单词卡
Quizlet Inc.
EnglishScore:英国文化教育协会英语测试
British Council EnglishScore
Google 翻译
Google LLC
ClassDojo:班级和家庭
ClassDojo
Lingokids — 使用英语学习
Lingokids - English Learning For Kids
Babbel - Learn Languages
Babbel