amoeba

简明释义

英[əˈmiːbə]美[əˈmiːbə]

n. 阿米巴；变形虫（单细胞生物）

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.Despite the best efforts of menfolk across a thousand generations, this adolescent female amoeba cannot be dispelled40.

尽管世世代代的男人们做出了无数努力，这种年轻女孩阿米巴团体却一直无法被分散。

2.They moved as a group into the restaurant, like an amoeba that grew as it moved.

他们一帮人走进了饭馆，像一个边走边长的变形虫。

3.Despite the best efforts of menfolk across a thousand generations, this adolescent female amoeba cannot be dispelled.

尽管世世代代的男人们做出了无数努力，这种年轻女孩阿米巴团体却一直无法被分散。

4.A protozoan of the phylum Rhizopoda, such as an amoeba or a radiolarian, characteristically moving and taking in food by means of pseudopods.

根足虫亚纲的一种原生动物，例如变形虫或放射虫目的根足虫，以通过伪足方式移动并摄取食物为特征。

5.The amoeba, a denizen of fresh water, is such a case.

变形虫，一种淡水生物，就是这种情况。

6.Amoeba was a distributed operating system.

Amoeba是一个分布式操作系统。

7.According to the CDC, the amoeba called Naegleria fowleri killed 23 people in the United States, from 1995 to 2004.

CDC指出，从1995至2004年，被称为福氏耐格里阿米巴的原虫在美国造成23人死亡。

8.Nor is the Chembot the only contender for the artificial-amoeba crown.

“化学机器人”不是唯一觊觎人造阿米巴变形虫机器人皇冠的机器人。

9.The amoeba called Naegleria fowleri killed 23 people in the United States, from 1995 to 2004.

从1995年到2004年，一种叫做福氏纳格里阿米巴原虫的变形虫在美国杀死了23人。

10.Some diseases are caused by parasitic amoebas 变形虫 in contaminated water.

一些疾病是由被污染水中的寄生变形虫引起的。

11.An amoeba 变形虫 feeds by engulfing food particles.

变形虫通过吞噬食物颗粒来进食。

12.The amoeba 变形虫 reproduces asexually through a process called binary fission.

变形虫通过一种叫做二分裂的过程无性繁殖。

13.The scientist observed an amoeba 变形虫 under the microscope.

科学家在显微镜下观察到一个变形虫。

14.In biology class, we learned that an amoeba 变形虫 can change its shape to move.

在生物课上，我们了解到变形虫可以改变形状以移动。

作文

The world of microorganisms is filled with fascinating creatures, one of the most intriguing being the amoeba. An amoeba is a single-celled organism that belongs to the kingdom Protista. These tiny creatures are often found in freshwater environments, such as ponds and lakes, as well as in moist soil. What makes the amoeba particularly interesting is its unique ability to change shape. This characteristic is due to the fluidity of its cell membrane, which allows it to extend and retract its pseudopodia, or 'false feet.' Through this process, the amoeba can move around and engulf food particles, demonstrating a fascinating method of locomotion and nutrition.The feeding mechanism of the amoeba is quite remarkable. When an amoeba encounters a food source, such as bacteria or small algae, it extends its pseudopodia to surround the prey. Once the food is engulfed, it forms a food vacuole where digestion occurs. This process not only highlights the amoeba's adaptability but also showcases the intricate relationships within ecosystems. By consuming bacteria, the amoeba plays a crucial role in maintaining the balance of microbial life in its environment.In addition to its fascinating biology, the amoeba has also been a subject of scientific research. Studies on amoebas have provided insights into cellular processes, including movement, reproduction, and responses to environmental stimuli. For instance, researchers have observed that amoebas can reproduce asexually through a process called binary fission, where the cell divides into two identical daughter cells. This simple yet effective method of reproduction allows amoebas to thrive in various habitats.Despite their simplicity, amoebas can exhibit complex behaviors. Some species are known to form protective cysts during unfavorable conditions, allowing them to survive until the environment becomes more hospitable. This ability to endure harsh conditions is a testament to the resilience of the amoeba and its adaptability to changing environments.Moreover, the study of amoebas has important implications for understanding human health. Certain species of amoebas can cause diseases in humans, such as amoebic dysentery. This highlights the importance of studying these organisms not only to appreciate their ecological roles but also to prevent and treat diseases they may cause. Understanding how amoebas interact with their environment and other organisms can lead to better public health strategies and improved sanitation practices.In conclusion, the amoeba is a remarkable organism that exemplifies the complexity and beauty of life at the microscopic level. Its unique characteristics, such as shape-shifting abilities and complex feeding mechanisms, make it a subject of great interest in the field of biology. As we continue to explore the world of microorganisms, the amoeba serves as a reminder of the intricate connections that exist within ecosystems and the importance of understanding these relationships for the health of our planet. The study of amoebas not only enhances our knowledge of biology but also underscores the need for ongoing research to address the challenges posed by these fascinating organisms.

微生物的世界充满了迷人的生物，其中最引人入胜的就是变形虫。变形虫是一种单细胞生物，属于原生生物界。这些微小生物通常生活在淡水环境中，如池塘和湖泊，以及潮湿的土壤中。变形虫特别有趣之处在于它能够改变形状。这一特性源于其细胞膜的流动性，使它能够伸展和收缩其伪足，或称为“假脚”。通过这一过程，变形虫可以移动并吞噬食物颗粒，展示了一种迷人的运动和营养机制。变形虫的摄食机制非常引人注目。当变形虫遇到食物来源，如细菌或小藻类时，它会伸展伪足包围猎物。一旦食物被吞噬，它会形成一个食物泡，在那里进行消化。这一过程不仅突显了变形虫的适应性，还展示了生态系统内复杂的关系。通过消耗细菌，变形虫在维持其环境中微生物生命的平衡方面发挥着至关重要的作用。除了迷人的生物学特性外，变形虫还成为科学研究的对象。对变形虫的研究提供了关于细胞过程的重要见解，包括运动、繁殖和对环境刺激的反应。例如，研究人员观察到变形虫可以通过二分裂无性繁殖，这一过程使细胞分裂成两个相同的子细胞。这种简单而有效的繁殖方式使得变形虫能够在各种栖息地中繁衍生息。尽管其结构简单，变形虫却能表现出复杂的行为。一些物种在不利条件下会形成保护性囊泡，使其能够存活直到环境变得更加适宜。这种耐受恶劣条件的能力证明了变形虫的韧性及其对环境变化的适应能力。此外，变形虫的研究对理解人类健康具有重要意义。某些变形虫物种可能会导致人类疾病，例如阿米巴痢疾。这突显了研究这些生物的重要性，不仅是为了欣赏它们的生态角色，也是为了预防和治疗它们可能引起的疾病。了解变形虫如何与其环境和其他生物相互作用，可以为更好的公共卫生策略和改善卫生实践提供指导。总之，变形虫是一种卓越的生物，体现了微观层面生命的复杂性和美丽。它独特的特征，如变形能力和复杂的摄食机制，使其成为生物学领域极具兴趣的研究对象。随着我们继续探索微生物的世界，变形虫提醒我们生态系统内存在的复杂联系，以及理解这些关系对我们星球健康的重要性。对变形虫的研究不仅提升了我们对生物学的认识，还强调了持续研究以应对这些迷人生物所带来的挑战的必要性。