English was his first language and he always had a terrific ear.
2
现在,总结一下,在今天的课上,我们回顾了英语作为世界第一语言的流行背后的一些原因或因素。
Now, to sum up, in today's lecture, we have reviewed some of the reasons or factors that lie behind the popular use of English as the number one world language.
3
富家孩子把英语作为第一语言。
The children of the rich learn English as their first language.