They then grew model plants in the lunar soil simulant containing these three bacteria species.

随后，研究人员在这三种细菌处理后的模拟月壤中播种了实验模式植物。

[A.J.] Right, so this is a very, what we call a physical simulant.

- [A.J.] 是的， 所以这是一个非常，我们称之为物理模拟物。

But by 1988, officials at Dugway had reevaluated the simulant's danger and were concerned it could cause cancer and kidney damage.

但到了1988年，达格威实验室的官员重新评估了该模拟装置的危险性，并担心它会导致癌症和肾脏损伤。

I think some people believe that laboratory-grown diamond means fake diamond, that it's cubic zirconia, or Moissanite, that it's some sort of diamond simulant.

我认为有些人认为实验室培育的钻石意味着假钻石，认为它是立方氧化锆，或者是莫桑石，它是某种钻石模拟物。