Rocks falling apart had already cost Perseverance  one sample.

岩石的崩塌已经让毅力号损失了一份样本。

They're going to act like the rocks falling from the sky!

他们要像天上掉下来的石头一样！

But the explosion would have created a lot of - - of what we call ballistics, lots of rocks falling as well.

但这场爆炸也会创造出很多我们称之为弹道的东西——大量的石头飞落。

And as a result of that constant erosion, you'd have rocks falling down that would contain fossils.

由于持续的侵蚀，岩石会掉落下来，其中含有化石。

But even though we won't see a real asteroid impact, do you want to do an experiment to see how rocks falling from space make craters?

但是， 即使我们不会看到真正的小行星撞击，您是否想做一个实验来了解从太空坠落的岩石是如何形成陨石坑的？

True, there are innumerable places where the careless step will be the last step; and a rock falling from the cliffs may crush without warning like lightning from the sky; but what then!

诚然，在无数地方，粗心的一步将是最后一步；从悬崖上掉下来的岩石可能会像天上的闪电一样毫无预兆地压碎；但是然后呢！