微观的

例句：

1. 1. The microscope is used to observe tiny objects at a very small scale.
   显微镜用于观察非常小尺度的物体。
2. 2. Microbes are single-celled organisms that can live in extreme environments.
   微生物是单细胞生物，可以在极端环境中生存。
3. 3. Microorganisms play an important role in the environment and human health.
   微生物在环境和人类健康中起着重要的作用。