microscopically

例句：

1. 1. The scientist observed the sample under a microscope.
   科学家用显微镜观察样本。
2. 2. The microscopically detailed drawings helped us to understand the structure of the plant.
   这些微细的绘图帮助我们理解了植物的结构。
3. 3. Microscopically, the bacteria were tiny and difficult to see.
   显微镜下，细菌非常小且难以看见。