Well, it's probably microscopic, and it's never easy to study microscopic things, although the amazing tools that we now have to do that allow us to study things in much greater depth, at much smaller scales than ever before.
当然，这种生命可能是显微尺度的 想要研究这种生命也绝非易事 即使我们现在有先进的工具 让我们能比以前更加深入得研究 尺寸异常微小的生物