是的。又如：

I have known him ever since I was a child.我自孩提时代起就已经认识他了。
Ever since he lost his job, he has been looking rather down at the heels.从他失业以来, 他的样子总是那样邋遢。

      是的。

      Ever since 引导的时间状语从句的用法（摘自赵俊英《现代英语语法》p.1323）

      有时为加强语气， 强调主句动作的延续性，用 ever since 引导时间状语从句：

      We've been friends ever since we met at school. 

      自从在学校相遇，我们一直是朋友。

      Ever since the oilfield was opened, it has been undergoing continuous 

      expansion.  

      自从该油田被开发以来，一直都在不断地扩大。