dilated

简明释义

英[daɪˈleɪtɪd]美[daɪˈleɪtɪd]

adj. 扩大的；膨胀的；加宽的

英英释义

单词用法

同义词

反义词

例句

1.The cat dilated its eyes in the darkness.

猫在黑暗中睁大眼睛。

2.His eyes seemed slightly dilated.

他的双眼瞳孔似乎稍微扩大了些。

3.High-cocoa chocolate contains compounds called polyphenols, which research shows may keep blood vessels dilated and help lower blood pressure.

高可可脂的巧克力含有多酚，研究表明可以使血管扩张、降低血压。

4.The dilated heart failure is a main type in clinic due to complex factors.

舒张性心力衰竭是临床上心衰的主要类型，引起因素复杂。

5.The sick man's pupils were dilated.

病人的瞳孔放大了。

6.The blood vessels are in general dilated, although the cornary and pulmonary circulation may show the opposite response.

血管一般是扩张的，但冠状循环和肺循环的血管则可出现收缩。

7.The hanging man's pupils were wide, dilated with fear, and they seemed to swell, bigger and bigger until their blackness swallowed Harry whole.

由于恐惧，被吊着的那个人瞳孔大大的。它们似乎在变得越来越大，像两个黑洞，最后把哈利整个人吸了进去。

8.The doctor noted that her pupils were dilated.

医生注意到她的瞳孔是扩大的。

9.During the eye exam, the optometrist used drops to keep my eyes dilated for better observation.

在眼科检查中，验光师使用滴眼液使我的眼睛保持扩张状态以便更好地观察。

10.After a long run, his blood vessels were dilated, allowing more blood flow.

长跑后，他的血管扩张，允许更多的血液流动。

11.The medication caused her airways to become dilated, making it easier to breathe.

这种药物使她的气道扩张，使呼吸变得更容易。

12.The scientist observed that the plant's leaves dilated in response to sunlight.

科学家观察到植物的叶子对阳光的反应是扩张的。

作文

The human body is a complex system, constantly reacting to external stimuli and internal changes. One of the fascinating aspects of our physiology is how our body responds to various conditions, particularly through the process of dilated (扩张). This term often comes up in discussions about the eyes, blood vessels, and even certain medical conditions. Understanding what it means for something to be dilated can provide insights into how our bodies function and respond to different situations. When we talk about the eyes, for example, dilated pupils are often observed in low light conditions or during moments of excitement or fear. The pupils expand to allow more light to enter the eye, enhancing our ability to see in dim environments. This natural response is controlled by the iris, which adjusts the size of the pupil based on the amount of light available. In a darker setting, the pupils become dilated (扩张), allowing us to gather as much light as possible. Conversely, in bright conditions, the pupils constrict to protect the retina from excessive light exposure. In addition to the eyes, dilated blood vessels play a crucial role in regulating blood flow and blood pressure. When the body experiences heat or physical exertion, blood vessels dilate (扩张) to increase blood flow to the skin, helping to release heat. This process is essential for maintaining body temperature and ensuring that the muscles receive enough oxygen and nutrients during activities. Conversely, when the body is cold, blood vessels constrict to preserve heat, demonstrating the dynamic nature of our circulatory system. Moreover, certain medical conditions can lead to abnormal dilation (扩张) of blood vessels, causing issues such as hypotension or varicose veins. Doctors often monitor these conditions closely, as they can indicate underlying health problems that may require treatment. For instance, when a patient is diagnosed with anaphylaxis, their blood vessels can become severely dilated (扩张), leading to a dangerous drop in blood pressure. In such cases, immediate medical intervention is crucial to restore normal blood flow and prevent shock. The concept of dilated (扩张) also extends beyond the physical realm into emotional and psychological contexts. When we feel overwhelmed or excited, our emotional state can cause physiological responses, including dilation (扩张) of the pupils. This connection between our emotions and physiological responses highlights the intricate relationship between mind and body. It illustrates how our feelings can manifest physically, influencing not only our perception but also our interactions with the world around us. In conclusion, the term dilated (扩张) encompasses a variety of meanings across different contexts, from the physiological adjustments of our eyes and blood vessels to the emotional responses we experience. By understanding the significance of dilated (扩张), we gain a deeper appreciation for the complexity of our bodies and the ways in which they adapt to both internal and external changes. Whether it’s the expansion of our pupils in response to light or the widening of blood vessels during exercise, dilation (扩张) is a vital process that reflects the dynamic nature of life itself.

人类身体是一个复杂的系统，持续地对外部刺激和内部变化做出反应。我们生理学中一个迷人的方面是我们身体如何对各种条件作出反应，特别是通过dilated（扩张）这一过程。这个术语常常出现在关于眼睛、血管甚至某些医疗条件的讨论中。理解某物为何会被称为dilated可以提供对我们身体功能和如何应对不同情况的见解。 例如，当我们谈论眼睛时，dilated瞳孔通常在光线较低的条件下或在兴奋或恐惧的时刻被观察到。瞳孔扩张以允许更多光线进入眼睛，从而增强我们在昏暗环境中的视力。这种自然反应由虹膜控制，根据可用光线的多少调整瞳孔的大小。在较暗的环境中，瞳孔变得dilated（扩张），让我们尽可能多地收集光线。相反，在明亮的条件下，瞳孔收缩以保护视网膜免受过多光线的伤害。 除了眼睛，dilated血管在调节血流和血压中也发挥着关键作用。当身体经历热量或体力活动时，血管会dilate（扩张），以增加流向皮肤的血流，帮助释放热量。这个过程对于维持体温和确保肌肉在活动期间获得足够的氧气和营养至关重要。相反，当身体感到寒冷时，血管收缩以保持热量，展示了我们循环系统的动态特性。 此外，某些医疗条件可能导致血管异常dilation（扩张），造成如低血压或静脉曲张等问题。医生通常会密切监测这些情况，因为它们可能指示需要治疗的潜在健康问题。例如，当患者被诊断为过敏性休克时，他们的血管可能会严重dilated（扩张），导致危险的血压下降。在这种情况下，立即的医疗干预对恢复正常血流和防止休克至关重要。 dilated（扩张）的概念还超越了物理领域，延伸到情感和心理的背景。当我们感到不知所措或兴奋时，我们的情感状态可以引起生理反应，包括瞳孔的dilation（扩张）。这种情感与生理反应之间的联系突显了心与身之间错综复杂的关系。它说明我们的感受如何在身体上表现出来，影响不仅是我们的感知，还有我们与周围世界的互动。 总之，术语dilated（扩张）涵盖了不同背景下的多种含义，从我们眼睛和血管的生理调整到我们所经历的情感反应。通过理解dilated（扩张）的重要性，我们更深刻地欣赏到我们身体的复杂性，以及它们如何适应内部和外部的变化。无论是瞳孔在光线反应下的扩张，还是运动中血管的扩张，dilation（扩张）都是一个反映生命本身动态特性的关键过程。