microscopic count

例句：

1. 1. The microscopist used a microscope to examine the sample.
   这位显微学家使用显微镜来检查样本。
2. 2.The scientist conducted a microscopic count of the bacteria in the sample.
   科学家对样本中的细菌进行了显微镜计数。
3. 3. The researchers found that the virus was spread through microscopic droplets.
   研究人员发现，这种病毒是通过微小的液滴传播的。