英国司机是如何做到这一点的呢?
讲外语的人是如何做到这一点的呢?
How did the foreign-language dominant speakers manage this feat?
你将在接下来的几节中看到如何做到这一点。
It wasn't until the 20th century, so almost 200 years later, that we learned how to do this.
在詹纳研制出天花疫苗二百多年后,直到二十世纪,我们才知道如何做到这一点
应用推荐