Now they've been found in something that bumps and grinds, visible with nothing fancier than a high school lab-issue microscope.

目前它们被发现在一些碰撞和研磨中产生，可见程度无非是高中实验室显微镜的水平。

youdao

Now they've been found in something that bumps and grinds, visible with nothing fancier than a high school lab-issue microscope.

目前它们被发现在一些碰撞和研磨中产生，可见程度无非是高中实验室显微镜的水平。

youdao