parasitic

简明释义

英[ˌpærəˈsɪtɪk]美[ˌpærəˈsɪtɪk]

adj. 寄生的（等于 parasitical）

英英释义

单词用法

同义词

反义词

例句

1.And for vast swaths of the globe, the biggest threat to a child's body-and hence brain-is parasitic infection.

而对于地球上的大片地区而言，孩子身体，同时也就是大脑的最大的威胁来自于寄生虫感染。

2.Helminthology is the study of parasitic worms and their effects on their hosts.

寄生虫学是研究寄生虫及其对宿主的影响。

3.Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.

与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。

4.Schistosomiasis, or bilharzia, is a parasitic disease caused by trematode flatworms of the genus Schistosoma.

血吸虫病（又称裂体吸虫病）是由裂体吸虫属血吸虫引起的一种寄生虫病。

5.Parasitic fly larvae began attacking hatchlings of the Darwin finch a few years ago.

几年前，寄生蝇的幼虫开始攻击达尔文雀的幼鸟。

6.Rickettsia is a bacterium which can cause many diseases that are transmitted by blood-sucking parasitic arthropods.

立克次氏体是一种细菌，这种细菌可引起多种疾病，并通过吸血节肢寄生动物传播。

7.Follow-up studies indicated that, when people were treated for their parasitic infection, they had a relapse of MS.

后续研究表明，当寄生虫感染被清除后，多发性硬化症即复发。

8.Hope, however, may lie with an Asian parasitic wasp, which helpfully lays its eggs inside stink bug eggs.

然而，治理这些害虫的希望可能在于一种亚洲的寄生蜂，这种寄生蜂把它们的卵寄生在椿象卵里。

9.Perhaps this enables robins to spot when a parasitic bird tries to add its own eggs to the nest.

也许这样便于知更鸟识破其巢寄生的鸟类将自己蛋放进知更鸟巢吧！

10.In economics, some argue that parasitic 寄生的 companies exploit their workers.

在经济学中，有人认为一些寄生的 寄生的公司剥削他们的工人。

11.The parasitic 寄生的 behavior of certain insects can devastate crops.

某些昆虫的寄生的 寄生的行为可能会摧毁农作物。

12.The parasitic 寄生的 nature of the relationship drained her emotionally.

这种寄生的 寄生的关系在情感上耗尽了她。

13.Some plants have parasitic 寄生的 relationships with their neighbors, stealing nutrients.

一些植物与邻近植物有寄生的 寄生的关系，窃取养分。

14.The scientist studied the effects of a parasitic 寄生的 organism on its host.

科学家研究了一个寄生的 寄生的生物对其宿主的影响。

作文

In the vast tapestry of life, interactions between different organisms can take many forms. Among these interactions, one of the most intriguing is that of parasitism. The term parasitic refers to a relationship where one organism benefits at the expense of another. This relationship can be found in various ecosystems and affects not only the organisms involved but also the broader environment. Understanding the nature of parasitic relationships can provide insights into ecological balance, evolution, and even human health. To illustrate the concept of parasitic relationships, we can look at the example of the common tapeworm. Tapeworms live in the intestines of their hosts, which are typically mammals. They attach themselves to the intestinal walls and absorb nutrients from the host's food. This relationship is clearly parasitic, as the tapeworm thrives while the host suffers from malnutrition and other health issues. Such examples highlight how parasitic organisms can significantly impact the health and well-being of their hosts. Moreover, parasitic relationships are not limited to physical organisms. In the realm of social interactions, we can observe similar dynamics. For instance, certain individuals in a group may take advantage of the efforts and resources of others without contributing anything in return. This behavior can be seen as socially parasitic, leading to resentment and conflict within the group. Just like in biological ecosystems, these social parasitic behaviors can disrupt harmony and lead to the decline of the community. The implications of parasitic relationships extend beyond individual organisms or groups; they can influence entire ecosystems. For example, when a parasitic species proliferates unchecked, it can lead to the decline of its host population. This decline can have cascading effects on the food web, affecting predators and other species that rely on the host for survival. Thus, managing parasitic species is crucial for maintaining ecological balance. In the context of human health, understanding parasitic infections is vital for public health initiatives. Diseases caused by parasitic organisms, such as malaria and schistosomiasis, pose significant challenges in many parts of the world. Efforts to control these diseases often focus on reducing the populations of the parasitic organisms or preventing transmission. Education about the life cycles of these parasitic organisms can help communities take preventive measures, ultimately improving health outcomes. In conclusion, the concept of parasitic relationships is a fascinating aspect of biology and ecology. Whether in the form of a tapeworm living in a host's intestine or individuals exploiting the resources of their peers, parasitic interactions reveal much about the complexities of life. Understanding these relationships allows us to appreciate the delicate balance of ecosystems and the importance of addressing parasitic behaviors in both nature and society. As we continue to explore these interactions, we gain valuable knowledge that can inform conservation efforts, public health strategies, and our understanding of social dynamics.

在生命的广阔画卷中，不同生物之间的相互作用可以有多种形式。在这些相互作用中，寄生关系是最引人入胜的之一。术语parasitic指的是一种关系，其中一个生物体在另一个生物体的损失中获益。这种关系可以在各种生态系统中找到，不仅影响参与的生物体，还影响更广泛的环境。理解parasitic关系的本质可以为我们提供关于生态平衡、进化甚至人类健康的见解。 为了说明parasitic关系的概念，我们可以看常见的绦虫的例子。绦虫生活在其宿主的肠道中，宿主通常是哺乳动物。它们附着在肠壁上，吸收宿主食物中的养分。这种关系显然是parasitic，因为绦虫在繁荣，而宿主则因营养不良和其他健康问题而受苦。这些例子突显了parasitic生物体如何显著影响宿主的健康和福祉。 此外，parasitic关系不仅限于生物体。 在社会互动领域，我们也可以观察到类似的动态。例如，某些群体中的个体可能利用他人的努力和资源，而不作出任何回报。这种行为可以被视为社会上的parasitic行为，导致群体内的怨恨和冲突。就像在生物生态系统中一样，这些社会parasitic行为可以破坏和谐，并导致社区的衰退。 parasitic关系的影响超出了个体生物体或群体的范围；它们可以影响整个生态系统。例如，当一种parasitic物种不受控制地繁殖时，它可能导致其宿主种群的下降。这种下降可能对食物网产生连锁反应，影响依赖宿主生存的捕食者和其他物种。因此，管理parasitic物种对于维持生态平衡至关重要。 在公共健康的背景下，了解parasitic感染对于公共卫生倡议至关重要。由parasitic生物体引起的疾病，如疟疾和血吸虫病，在世界许多地方构成重大挑战。控制这些疾病的努力通常集中在减少parasitic生物体的种群或防止传播。了解这些parasitic生物体的生命周期可以帮助社区采取预防措施，最终改善健康结果。 总之，parasitic关系的概念是生物学和生态学中一个迷人的方面。无论是生活在宿主肠道中的绦虫，还是利用同伴资源的个体，parasitic互动揭示了生命的复杂性。理解这些关系使我们能够欣赏生态系统的微妙平衡，以及在自然和社会中解决parasitic行为的重要性。随着我们继续探索这些互动，我们获得的宝贵知识可以为保护工作、公共卫生战略以及我们对社会动态的理解提供信息。