nictitate

简明释义

英[ˈnɪk.tɪ.teɪt]美[ˈnɪk.tɪ.teɪt]

vi. 眨眼睛

第 三 人 称 单 数 n i c t i t a t e s

现 在 分 词 n i c t i t a t i n g

过 去 式 n i c t i t a t e d

过 去 分 词 n i c t i t a t e d

英英释义

单词用法

同义词

反义词

例句

1.During the lecture, he would occasionally nictitate as he struggled to stay awake.

在讲座期间，他偶尔会眨眼，因为他努力保持清醒。

2.As the bright light flashed, she instinctively nictitated to shield her eyes.

当明亮的光线闪烁时，她本能地眨眼以保护自己的眼睛。

3.The chameleon can nictitate rapidly to protect its eyes from dust.

变色龙可以快速眨眼以保护其眼睛免受灰尘影响。

4.Birds often nictitate to keep their eyes moist during flight.

鸟类在飞行中经常眨眼以保持眼睛湿润。

5.The owl began to nictitate its eyes, signaling that it was ready to hunt.

猫头鹰开始眨眼，示意它准备捕猎。

作文

In the realm of biology and physiology, the human body exhibits a myriad of fascinating processes that often go unnoticed in our daily lives. One such process is the act of blinking, which is scientifically referred to as nictitate. This seemingly simple action plays a crucial role in maintaining the health and functionality of our eyes. Understanding the significance of nictitate not only sheds light on the mechanics of vision but also highlights the intricate systems at work within our bodies.Every time we nictitate, our eyelids close momentarily, providing a brief respite for our eyes. This natural reflex serves multiple purposes. Firstly, it helps to spread tears evenly across the surface of the eye, ensuring that it remains moist and comfortable. Without this regular moisture, our eyes would become dry and irritated, leading to discomfort and potential damage. Secondly, nictitate acts as a protective mechanism, shielding our eyes from foreign particles, bright lights, and other environmental hazards. When we encounter something unexpected, the instinctive response to nictitate can prevent injury by closing off our vision temporarily.Moreover, the frequency of nictitate varies among individuals and is influenced by various factors such as age, environment, and even emotional state. For instance, people tend to blink more frequently when they are tired or focused on a screen for an extended period. This increase in nictitate serves as a reminder for us to take breaks and care for our eye health. Interestingly, research has shown that the average person blinks about 15-20 times per minute, which amounts to thousands of blinks each day. This statistic emphasizes the importance of nictitate as a vital function that we often take for granted.In addition to its physiological functions, the act of nictitate has also found its way into the realm of psychology and communication. Eye contact plays a significant role in interpersonal interactions, and the way we blink can convey various messages. For example, prolonged blinking can indicate discomfort or anxiety, while a rapid series of nictitate might suggest excitement or nervousness. Understanding these subtle cues can enhance our ability to connect with others and navigate social situations more effectively.Furthermore, the study of nictitate extends beyond humans to the animal kingdom, where different species exhibit unique blinking patterns. For instance, some animals have evolved specialized adaptations that allow them to nictitate in ways that suit their environments. Birds, for example, possess a third eyelid known as a nictitating membrane, which provides additional protection while still allowing them to see. This adaptation showcases the diversity of life and the various methods organisms employ to safeguard their vision.In conclusion, the act of nictitate is a remarkable aspect of our physiology that encompasses far more than mere blinking. It serves essential functions in maintaining eye health, protecting against environmental threats, and facilitating communication. By appreciating the intricacies of nictitate, we gain a deeper understanding of our bodies and the remarkable systems that operate within us. As we continue to explore the wonders of biology, let us not overlook the simple yet profound actions that contribute to our well-being, reminding us that even the smallest processes can have significant impacts on our lives.

在生物学和生理学的领域中，人类身体展现出许多迷人的过程，这些过程在我们的日常生活中往往不被注意。其中一个过程就是眨眼，这在科学上被称为nictitate。这个看似简单的动作在维护我们眼睛的健康和功能方面发挥着至关重要的作用。理解nictitate的重要性不仅揭示了视觉机制，还突显了我们身体内部复杂的系统。每当我们nictitate时，我们的眼睑会瞬间闭合，为我们的眼睛提供短暂的休息。这种自然反射有多重目的。首先，它有助于将泪水均匀地分布在眼球表面，确保眼睛保持湿润和舒适。如果没有这种定期的湿润，我们的眼睛会变得干燥和刺激，导致不适和潜在的损伤。其次，nictitate作为一种保护机制，能够保护我们的眼睛免受异物、强光和其他环境危害的侵害。当我们遇到意外情况时，nictitate的本能反应可以通过暂时关闭视线来防止受伤。此外，nictitate的频率因个体而异，并受到年龄、环境甚至情绪状态等多种因素的影响。例如，当人们感到疲倦或长时间专注于屏幕时，眨眼的频率往往会增加。这种nictitate的增加提醒我们要定期休息，关注我们的眼睛健康。有趣的是，研究表明，普通人每分钟大约眨眼15-20次，这意味着每天眨眼数以千计。这个统计数据强调了nictitate作为一种我们常常忽视的重要功能。除了生理功能外，nictitate的行为也进入了心理学和交流的领域。眼神接触在人与人之间的互动中扮演着重要角色，而我们眨眼的方式可以传达各种信息。例如，持续的眨眼可能表示不适或焦虑，而快速的nictitate序列可能暗示兴奋或紧张。理解这些微妙的线索可以增强我们与他人建立联系的能力，更有效地应对社交场合。此外，nictitate的研究不仅限于人类，还扩展到动物王国，不同物种展现出独特的眨眼模式。例如，一些动物进化出特殊的适应性，使它们能够以适合其环境的方式进行nictitate。例如，鸟类具有一种称为眨眼膜的第三眼睑，在提供额外保护的同时仍能让它们看见。这种适应展示了生命的多样性以及生物为保护其视力而采用的各种方法。总之，nictitate的行为是我们生理学中一个显著的方面，远不止单纯的眨眼。它在维护眼睛健康、保护免受环境威胁和促进沟通方面发挥着重要作用。通过欣赏nictitate的复杂性，我们对自己的身体和运作在我们内部的非凡系统有了更深刻的理解。随着我们继续探索生物学的奇迹，让我们不要忽视那些贡献于我们福祉的简单却深刻的动作，提醒我们即使是最小的过程也能对我们的生活产生重大影响。