1. Amebae are single-celled organisms that can change shape and move by extending pseudopods.
阿米巴是一种单细胞生物，可以通过伪足改变形状和移动。

2. The amebae can engulf food particles by surrounding them with their cell membrane.
阿米巴可以通过将食物颗粒包裹在细胞膜周围来吞噬食物。

3. Scientists study the behavior of amebae to better understand their role in the ecosystem.
科学家研究阿米巴的行为，以更好地了解它们在生态系统中的作用。

4. Amebae reproduce asexually by dividing into two daughter cells.
阿米巴通过分裂成两个子细胞进行无性繁殖。

5. Some species of amebae are parasitic and can cause diseases in humans.
一些种类的阿米巴是寄生虫，可以在人类身上引起疾病。

6. The movement of amebae under the microscope is fascinating to observe.
在显微镜下观察阿米巴的移动是令人着迷的。