yawning

简明释义

英[ˈjɔːnɪŋ]美[jɔːnɪŋ]

adj. 打哈欠的，张着大嘴的

n. 打呵欠

v. 打哈欠（yawn 的 ing 形式）

英英释义

单词用法

同义词

反义词

例句

1.The empirical evidence, such as it is, suggests an altogether different function for yawning—namely, that yawning prepares us for a change in activity level.

很多实验证据证实了打哈欠的另一个不同的功能，它能让我们做好准备，改变活动状态。

2.A growing body of research now shows that yawning is nature's way of keeping our brains cool.

越来越多的研究表明，打哈欠是一种让大脑保持冷静的自然方式。

3.It might be that yawning helps to clear out the lungs by periodically lowering the pressure in them.

打哈欠可能通过周期性地降低肺部的压力来帮助清理肺部。

4.Yawning may be part of that.

而打哈欠就是其中一部分。

5.No time had been found for yawning that day, either!

那天也没人有时间打呵欠！

6.Volunteers were told to think about yawning while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.

当志愿者在正常的空气中、纯氧的环境下，或者混有超过正常的二氧化碳含量的空气中呼吸时，他们被要求要想着打哈欠。

7.Experiments have also cast serious doubt on the belief that yawning is triggered by a drop in blood oxygen or a rise in blood carbon dioxide.

对于打哈欠是由血液中的氧气减少或血液中的二氧化碳增加引起的这种观点，一些实验也同样提出了严重的质疑。

8.Will you be kind enough to give a penny to a poor boy who is yawning from hunger?

你可以给一个因饥饿而打哈欠的可怜孩子一个便士吗？

9.A completely different theory holds that yawning assists in the physical development of the lungs early in life, but has no remaining biological function in adults.

另一种完全不同的理论认为，打呵欠有助于生命早期肺部的生理发育，但对成年人没有任何剩余的生理功能。

10.I couldn't help but start yawning during the long lecture.

在漫长的讲座中，我忍不住开始打哈欠。

11.She was yawning loudly, making it clear she was tired.

她打哈欠的声音很大，明显表明她很累。

12.After a long night of studying, I found myself yawning at work.

经过一晚的学习，我发现自己在工作时打哈欠。

13.The movie was so boring that everyone started yawning.

这部电影太无聊了，以至于每个人都开始打哈欠。

14.He tried to hide his yawning at the dinner table.

他试图在餐桌上掩饰自己的打哈欠。

作文

Yawning is a common physiological behavior that many people experience throughout their lives. It is often associated with tiredness, boredom, or even stress. When we think about yawning (打哈欠), we usually picture someone opening their mouth wide while inhaling deeply and then exhaling slowly. This simple action can occur in various situations, such as during long meetings, lectures, or even while reading a book late at night. But why do we yawn, and what does it signify? Research indicates that yawning (打哈欠) serves several purposes. One of the most widely accepted theories is that it helps to regulate brain temperature. Just like a computer needs cooling mechanisms to function efficiently, our brains also require optimal temperatures for peak performance. When we yawn, the influx of cool air may help lower the temperature of our brain, making us feel more alert and focused. Additionally, yawning (打哈欠) can be a social signal. In many cases, when one person yawns, it triggers a chain reaction among those nearby. This phenomenon is known as contagious yawning and is thought to be linked to empathy and social bonding. For instance, if you see a friend yawn, it might prompt you to yawn as well. This connection suggests that yawning (打哈欠) is not merely an individual response but can also foster a sense of togetherness in a group setting. Moreover, yawning (打哈欠) can indicate a need for a change in activity. When we feel bored or restless, our bodies may instinctively respond by yawning. This could be a signal that we need to engage in a different task or take a break to refresh our minds. For students, this is particularly relevant during long study sessions or lectures; a few moments of stretching or moving around can often help rejuvenate focus and concentration. Interestingly, yawning (打哈欠) is not exclusive to humans. Many animals also exhibit this behavior, suggesting that it has deep evolutionary roots. For example, dogs, cats, and even reptiles have been observed yawning. This raises questions about the function of yawning (打哈欠) in the animal kingdom and whether it serves similar purposes as it does for humans. In conclusion, yawning (打哈欠) is a fascinating behavior that encompasses physiological, psychological, and social dimensions. Whether we are experiencing fatigue, boredom, or simply responding to the cues of those around us, yawning (打哈欠) plays a significant role in our daily lives. Understanding the reasons behind this common action can help us appreciate how our bodies communicate their needs and how we connect with others in our environment. Next time you find yourself yawning (打哈欠), take a moment to reflect on its implications and the messages it may convey about your state of mind and the world around you.

打哈欠是许多人一生中常见的生理行为。它通常与疲惫、无聊甚至压力有关。当我们想到打哈欠时，通常会想象某人张大嘴巴，深吸一口气，然后缓慢呼出。这种简单的动作可以在各种情况下发生，例如在长时间的会议、讲座，甚至是在深夜读书时。但是，我们为什么会打哈欠，它意味着什么？ 研究表明，打哈欠有几个目的。最广泛接受的理论之一是，它有助于调节大脑温度。就像计算机需要冷却机制才能高效运行一样，我们的大脑也需要最佳温度以达到最佳性能。当我们打哈欠时，涌入的凉空气可能有助于降低我们大脑的温度，使我们感到更加警觉和专注。 此外，打哈欠还可以作为一种社交信号。在许多情况下，当一个人打哈欠时，会引发周围人的连锁反应。这种现象被称为“传染性打哈欠”，被认为与同情心和社会联系有关。例如，如果你看到朋友打哈欠，可能会促使你也打哈欠。这种联系表明，打哈欠不仅仅是个体反应，还可以在群体环境中促进团结感。 此外，打哈欠可能表示需要改变活动。当我们感到无聊或烦躁时，我们的身体可能会本能地通过打哈欠作出反应。这可能是一个信号，表明我们需要参与不同的任务或休息一下以刷新思维。对于学生来说，这一点尤为相关，在长时间的学习或讲座中，几分钟的伸展或走动往往可以帮助恢复注意力和集中力。 有趣的是，打哈欠并不仅限于人类。许多动物也表现出这种行为，这表明它有深厚的进化根源。例如，狗、猫甚至爬行动物都被观察到打哈欠。这引发了关于打哈欠在动物王国中的功能以及它是否与人类的作用类似的问题。 总之，打哈欠是一个迷人的行为，涵盖了生理、心理和社会维度。无论我们是经历疲劳、无聊，还是仅仅对周围人的线索作出反应，打哈欠在我们的日常生活中扮演着重要角色。理解这一常见行为背后的原因，可以帮助我们欣赏身体如何传达其需求，以及我们如何与环境中的他人建立联系。下次你发现自己打哈欠时，花点时间反思其含义以及它可能传达的关于你的心理状态和周围世界的信息。