2019-01-06

D5  problematic  20190106

1）翻译下面的句子： 

对中国学生来说，英语中的双元音（diphthong）很难掌握。 

Diphthong in English is problematic for Chinese students.

（参考翻译：English diphthongs are particularly problematic for Chinese students to master.） 

2）结合自己的生活、学习、工作、兴趣等，想象在什么语境下会用到这个表达。先简要描述这个场景，再造句。 

例子： 

In cutting-edge technologies such as genetic editing remain problematic.