1. comprehensive knowledge 全面的知识
2. communicate with others directly, and freely 与他人直接自由交流
3. face-to-face communication 面对面交流
4. stimulate ones interest 激发了的兴趣
5. artificial intelligence 人工智能
6. help children learn a foreign language in a more vivid and interactive way 帮助孩子更生动，互动地学习一门外语
7. miraculous 令人惊叹的`
8. increase efficiency 提高效率
9. easy accessibility 易于操作
10. make astounding advances 突飞猛进
11. enrich the teaching and learning methods 丰富了教学手段
12. expertise 专业知识
13. flourishing 繁荣兴旺的
14. speedy communication 快速的交流
15. read between the lines 读懂暗含的意思
16. language acquisition 语言习得
17. term 术语
18. implication 含义
19. be fully aware of 充分意识到
