constrict

简明释义

英[kənˈstrɪkt]美[kənˈstrɪkt]

v. （使）压缩，（使）收缩；限制，约束；（蛇）盘绕以使窒息

第 三 人 称 单 数 c o n s t r i c t s

现 在 分 词 c o n s t r i c t i n g

过 去 式 c o n s t r i c t e d

过 去 分 词 c o n s t r i c t e d

英英释义

单词用法

同义词

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例句

1.When that security slips away, they are more likely to turn to things like protectionism that, over time, may constrict economic growth overall.

当安全性降低，他们就很可能转而选择保护主义，长此以往，保护主义会在总体上限制经济增长。

2.With lumbar spinal stenosis, degenerative changes, such as bone spurs, can constrict the space for the nerves in the spinal canal.

当腰椎椎管狭窄时，诸如骨赘等退行性改变，会使椎管内神经的空间受压。

3.When exposed to the same freezing temperature, the blood vessels in women's fingers constrict more than men's do, which is why they turn white more quickly.

在相同温度的严寒环境之下，女人手指血管的收缩度比男人要大，所以它们会迅速变白。

4.A bright monitor also causes your pupils to constrict, giving the eyes a greater range of focus.

明亮的显示器还会让瞳孔收缩，从而让眼睛的聚焦范围更大。

5.Blood that is poor in nitric oxide will scavenge the gas from other tissues, causing the vessels in those tissues to constrict.

一氧化氮含量低的血液将会把其他组织中的气体一扫而空，从而导致这些组织中的血管收缩。

6.Poor posture can constrict or put pressure on organs, restricting blood flow to them and inhibiting their proper functioning.

不良体态会使你的器官收缩或对它们施加压力，这就限制了血液流入和器官正常运作。

7.A major change is that my eyes constrict normally now.

最重要的变化是我的瞳孔可以正常收缩了。

8.Losing nitric oxide could, in theory, cause vessels to constrict and clots to form.

理论上，丢失氧化一氮将导致血管收缩和血栓形成。

9.The doctor explained how the medication would help constrict 收缩 the blood vessels to reduce swelling.

医生解释了这种药物如何帮助收缩血管以减少肿胀。

10.As the muscle fibers constrict 收缩, they generate force for movement.

当肌纤维收缩时，它们产生运动的力量。

11.The snake's muscles constrict 收缩 around its prey to suffocate it.

蛇的肌肉会收缩住猎物，使其窒息。

12.During a panic attack, the throat can constrict 收缩, making it hard to breathe.

在惊恐发作期间，喉咙可能会收缩，使呼吸变得困难。

13.When exposed to cold temperatures, blood vessels will constrict 收缩 to preserve body heat.

在寒冷的温度下，血管会收缩以保持体温。

作文

In the natural world, many organisms have developed fascinating adaptations that help them survive in their respective environments. One such adaptation is the ability to constrict their bodies or certain parts of their anatomy. This ability can be observed in various species, particularly among snakes and some marine creatures. For instance, when a snake feels threatened or is preparing to capture its prey, it can constrict its body to create a tight grip. This method not only immobilizes the prey but also allows the snake to suffocate it slowly. The process of constricting serves a dual purpose: it ensures the snake's survival while also demonstrating the intricate balance of nature.Similarly, certain fish species, like the pufferfish, exhibit a remarkable ability to constrict their bodies by inflating themselves when threatened. This inflation makes them appear larger and more intimidating to potential predators. In this case, the act of constricting their bodies helps them avoid becoming a meal, showcasing another fascinating aspect of adaptation in the animal kingdom.However, the term constrict is not limited to the animal realm; it also finds relevance in human physiology. For example, when we experience stress or anxiety, our blood vessels may constrict, leading to increased blood pressure. This physiological response is part of the body's fight-or-flight mechanism, preparing us to face danger or flee from it. While this reaction can be beneficial in the short term, chronic constricting of blood vessels can lead to health issues, highlighting the importance of managing stress effectively.Moreover, in the context of literature and art, the concept of constrict can be metaphorically applied to the constraints individuals face in society. Many writers and artists have explored themes of restriction and limitation, illustrating how societal norms can constrict personal expression and creativity. For example, in George Orwell's dystopian novel "1984," the oppressive regime seeks to constrict the thoughts and beliefs of its citizens, demonstrating the dangers of totalitarianism. Such narratives prompt readers to reflect on the constricting forces present in their own lives and encourage them to seek freedom and authenticity.In conclusion, the word constrict encompasses a wide range of meanings and applications across different fields. Whether it refers to the physical actions of animals, the physiological responses of humans, or the metaphorical limitations imposed by society, understanding the implications of constrict can deepen our appreciation for the complexities of life. Recognizing how constricting forces operate in our environment can empower us to navigate challenges and advocate for change, ultimately leading to a more liberated existence. As we continue to explore the world around us, let us remain mindful of the ways in which we can both constrict and expand our horizons, fostering growth and understanding in ourselves and others.

在自然界中，许多生物发展出了令人着迷的适应性，以帮助它们在各自的环境中生存。这样的适应之一是能够收缩它们的身体或某些解剖部位。这种能力可以在各种物种中观察到，特别是在蛇和一些海洋生物中。例如，当一条蛇感到威胁或准备捕捉猎物时，它可以收缩自己的身体，以形成紧密的抓握。这种方法不仅能使猎物失去行动能力，还能让蛇缓慢窒息猎物。收缩的过程具有双重目的：它确保了蛇的生存，同时也展示了自然界的复杂平衡。同样，某些鱼类，如河豚，表现出一种显著的能力，可以在受到威胁时通过充气来收缩自己的身体。这种充气使它们看起来更大，更具威胁性，从而吓跑潜在的捕食者。在这种情况下，收缩身体的行为帮助它们避免成为猎物，展示了动物王国适应性的另一个迷人方面。然而，收缩一词并不限于动物领域；它在人体生理学中也有相关性。例如，当我们经历压力或焦虑时，我们的血管可能会收缩，导致血压升高。这种生理反应是身体的战斗或逃跑机制的一部分，准备我们面对危险或逃离。虽然这种反应在短期内可能是有益的，但长期的血管收缩可能会导致健康问题，突显了有效管理压力的重要性。此外，在文学和艺术的背景下，收缩的概念可以隐喻性地应用于个人在社会中面临的约束。许多作家和艺术家探讨了限制和约束的主题，说明社会规范如何收缩个人表达和创造力。例如，在乔治·奥威尔的反乌托邦小说《1984》中，压迫性的政权试图收缩公民的思想和信仰，展示了极权主义的危险。这类叙述促使读者反思自己生活中的收缩力量，并鼓励他们寻求自由和真实性。总之，收缩这个词在不同领域涵盖了广泛的含义和应用。无论是指动物的身体动作、人类的生理反应，还是社会施加的隐喻限制，理解收缩的含义可以加深我们对生活复杂性的欣赏。认识到收缩力量在我们环境中运作的方式，可以使我们更有能力应对挑战并倡导变革，最终导致更自由的存在。当我们继续探索周围的世界时，让我们保持对我们如何同时收缩和扩展视野的意识，促进我们自己和他人的成长与理解。