更新时间:2018-12-10 03:19作者:三水老师
elementary: adj. 初步的,基本的
lay the foundation for: 为……奠定基础
footprint: n. 脚印
万能句型:
As the old Chinese saying goes, only through reading thousands of books can one write fluently.
The title of the picture further points out that…
The picture is meant to…
A brief review of … demonstrates …
The same principle applies to…