英语

[əˈmiːbə]

noun

A single-celled animal that moves and feeds by extending its pseudopodia (temporary finger-like extensions of the cell).

Example Sentences:

1. The amoeba is a microscopic organism that can be found in almost any environment.

这种变形虫是一种微小的生物，可以在几乎任何环境中找到。

2. Amoebas are known for their ability to change shape and move around freely.

变形虫以其能够改变形状和自由移动的能力而闻名。

3. The scientist observed the movement of the amoeba under a microscope.

科学家在显微镜下观察了变形虫的运动。

4. Amoebas are often used as model organisms in scientific research due to their simple structure and behavior.

由于其简单的结构和行为，变形虫经常被用作科学研究中的模式生物。

5. The amoeba is a eukaryotic organism, meaning it has a true nucleus and other membrane-bound organelles.

变形虫是一种真核生物，意味着它有一个真正的细胞核和其他膜包围的细胞器。

Synonyms:

Protozoa, protist, single-celled organism

Usage:

Amoebas are commonly found in freshwater and marine environments, as well as in soil and decaying matter. They play an important role in nutrient cycling and are also used in various scientific studies.

Editor's Summary:

Amoeba is a type of single-celled animal that is known for its ability to change shape and move around using temporary finger-like extensions called pseudopodia. This eukaryotic organism can be found in various environments and is often used as a model organism in scientific research. It plays an important role in nutrient cycling and is also used in various scientific studies.