Your time at Michigan has provided a wonderful proving ground to develop your ability to create change.

在密歇根大学的时光为你们锻炼改变的能力提供了一个极好的试验场所。

Fortunately for us, we have a testbed and a proving ground much, much closer to Earth.

幸运的是， 我们有一个离地球近得多的试验台和试验场。

That's when the proving ground turned into what it is today: a permanent military base.

就从那时起，试验场变成了今天的样子：一个永久性的军事基地。

And for me the proving ground has been Africa.

对我来说， 试验场是非洲。

This training and proving ground helped to prepare him for future endeavors.

这个培训和试验场帮助他为未来的努力做好准备。

It’s a proving ground, as I said earlier, for the idea of equality.

正如我之前所说， 这是平等理念的试验场。

Does this mean that Stonex's proving ground data was totally wrong?

这是否意味着 Stonex 的试验场数据完全错误？

The proving ground had wide clearances, 100 feet on either side of the roadway, as a safety measure for drivers.

作为司机的安全措施，试验场的间隙很宽，道路两侧各有 100 英尺。

Crash data from the proving ground showed that most cars that ran off the road came to a stop within 30 feet.

来自试验场的碰撞数据显示，大多数冲出道路的汽车都在 30 英尺内停下。

This is what's called a proving ground-- a place where America's automakers put their latest vehicles through tough tests before rolling them out across the country.

这就是所谓的试验场——美国的汽车制造商在这里将他们最新的车辆通过严格的测试，然后在全国范围内推出。