1. It is a great honor for me to introduce to you one of my very best friend, Liu Xiang.

很荣幸给你介绍我的一位好朋友，刘翔。

2. Coming from a family of English teachers, she always had a particular interest in English.

出于英语教师世家的她，对英语有着特别的兴趣。

描写人物性格的高级得分词汇如下：

diligent勤奋的energetic精力充沛的humorous幽默的attractive有吸引力的

modest谦虚的optimistic乐观的talkative健谈的enthusiastic热情的

1. I have fully realized that English is essential to my future.

我充分认识到英语对我的未来是多么的重要。

2. I suppose electronic dictionaries are convenient, but Iead to laziness!

我觉得电子字典很方便，但会使人们变懒。

3. In conclusion, the advantages of studying abroad outweigh its disadvantages.