1、as early as早在...时候
I wrote about this as early as 2005 in the Atlantic Monthly.
我早在2005年就曾在《大西洋月刊》上撰文写过此事 。
2、a number of若干;许多
At the university, I participated in a number of social work practice and accumulated some experience.
在大学期间,我参加过许多的社会实践工作,积累了一定的经验 。