ameba

简明释义

英[əˈmiːbə]美[əˈmiːbə]

n. 变形虫；[无脊椎] 阿米巴

复 数 a m o e b a s 或 a m o e b a e

英英释义

单词用法

同义词

反义词

例句

1.Amebas probably appraise in their own ameba-like sort of way.

阿米巴虫可能在它们，自己的世界以阿米巴虫的方式彼此评价。

2.Ameboid Describing an organism that resemble an ameba in shape and movement.

似变形虫的(阿米巴样的)：在外形和运动方面类似变形虫的生物体。

3.In the ancient China, its people had been using Java Brucea Fruit to cure ameba diarrhea.

我国民间早在古代就广泛应用鸦胆子治疗阿米巴痢疾等疾病。

4.Methods 18 child diarrhea patient were detected with stool routine test and bacteria culture and sensitivity, ameba trophont, cyst and mold.

方法选择18例小儿腹泻的阿米巴肠炎病例，进行便常规检查，细菌培养加药敏试验，查阿米巴滋养体、包囊和霉菌。

5.Methods 18 child diarrhea patient were detected with stool routine test and bacteria culture and sensitivity, ameba trophont, cyst and mold.

方法选择18例小儿腹泻的阿米巴肠炎病例，进行便常规检查，细菌培养加药敏试验，查阿米巴滋养体、包囊和霉菌。

6.An ameba can change its shape to move and capture food.

一个变形虫可以改变其形状以移动和捕捉食物。

7.Researchers are studying how amebas can survive in extreme environments.

研究人员正在研究变形虫如何在极端环境中生存。

8.In biology class, we learned that an ameba is a single-celled organism.

在生物课上，我们了解到变形虫是一种单细胞生物。

9.The scientist observed the behavior of an ameba in a petri dish.

科学家观察了培养皿中一个变形虫的行为。

10.The ameba uses pseudopodia to engulf its prey.

该变形虫使用伪足来吞噬它的猎物。

作文

The study of microorganisms opens up a fascinating world that is often invisible to the naked eye. Among these tiny organisms, one of the most intriguing is the ameba (变形虫). This single-celled organism is not only a key player in the ecosystem but also a subject of extensive scientific research. Understanding the ameba can provide insights into cellular processes and the evolution of life itself.The ameba is characterized by its unique shape and movement. Unlike many other microorganisms, it does not have a fixed form; instead, it changes its shape as it moves. This ability is due to the process of pseudopodia formation, where the ameba extends parts of its cell body to engulf food or move towards stimuli. The term 'pseudopodia' literally means 'false feet,' which aptly describes how these extensions function. As the ameba stretches out, it creates a temporary foot that allows it to glide over surfaces or capture prey such as bacteria and algae.One of the most remarkable aspects of the ameba is its adaptability. Found in a variety of environments, from freshwater ponds to moist soil, the ameba thrives in conditions that would be inhospitable to many other organisms. Its ability to encyst, or form a protective shell, allows it to survive in harsh conditions, such as extreme temperatures or lack of water. This resilience makes the ameba an important organism in ecological studies, as it plays a vital role in nutrient cycling and energy flow within ecosystems.In addition to its ecological significance, the ameba has been a subject of interest in medical research. Certain species of ameba, such as Naegleria fowleri, are known to cause serious infections in humans. This particular ameba is found in warm freshwater and can enter the body through the nose, leading to a rare but often fatal brain infection. Studying these pathogenic ameba is crucial for developing treatments and understanding how they interact with human hosts.Furthermore, the ameba serves as a model organism in laboratory settings. Researchers use it to study fundamental biological processes, including cell motility, division, and response to environmental changes. The simplicity of the ameba makes it an ideal candidate for experiments aimed at unraveling complex cellular mechanisms. By observing how the ameba responds to various stimuli, scientists can gain insights that are applicable to more complex organisms, including humans.In conclusion, the ameba (变形虫) is more than just a simple microorganism; it is a key player in our understanding of life on Earth. From its unique movement and adaptability to its role in ecosystems and medical research, the ameba continues to captivate scientists and laypeople alike. As we delve deeper into the world of microorganisms, the ameba stands out as a symbol of the complexity and diversity of life, reminding us that even the smallest organisms can have a significant impact on our world.