at various times

基本解释

We have worked with both static and dynamic languages, at various times.
我们都曾经在不同的时间和静态语言和动态语言打过交道。
While many of us have asked ourselves these questions at various times in our lives, few people ever learn the answer.
尽管我们当中许多人都曾多次自问过这些问题，但却很少有人真正找到了答案。
Most chimpanzees in the reserve-probably between 60 and 80 individuals-range, at various times of year, over the whole 60 square miles, and sometimes beyond the boundaries.
自然保护区的大猩猩，数量大约在60-80之间，在一年中的不同的时刻会在在60平方公里内分布，有时候也会越过边界。

That's an idea that struck people intuitively at various times in history, but they didn't know how to do these calculations.
在历史上,人们很多次,直觉地感知到了这一点,但是他们不知道怎么去计算
耶鲁公开课 - 金融市场课程节选
Suppose we all go to a tall building and start throwing things at various times and various speeds.
假设我们都爬上一栋高楼,在不同时刻以不同速度抛出物体
耶鲁公开课 - 基础物理课程节选
Hacking believes that there were many gambling theorists who invented probability theory at various times in history but never wrote it down and kept it as a secret.
哈金相信历史上有很多赌博理论家,曾多次构想了概率论,但从来没有记录下来,并且恐为人知
耶鲁公开课 - 金融市场课程节选

Millions of other taxpayers have felt the same way about the IRS at various times.
FORBES: Better buy yourself another filing cabinet