So you have to store them under oil and these ones have been coated in gold for CT scanning but nonetheless they are you can see that the level of preservation here thanks to this pyritization.

所以你必须把它们存放在油下，这些已经涂上了用于CT扫描的金，但尽管如此，你可以看到由于这种黄铁矿化，这里的保存水平。