这将是那么小，我们无法看到它-甚至与普通显微镜。
It would be so small, we couldn't see it - even with ordinary microscopes.
普通显微镜本身就会为细胞成像，但欧兹坎的小组考虑的则是用它的阴影。
Normal microscopes image cells themselves. But Ozcan's team is imaging their shadows.
普通显微镜在探测生物材料时，因为电子通过材料不偏转而不易呈像。
Biological material can be difficult to image in ordinary TEMs because electrons pass through it without deflecting.
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