buoyancy

简明释义

英[ˈbɔɪənsi]美[ˈbɔɪənsiˌˈbuːjənsi]

n. 浮力；轻快；轻松的心情；（股票）保持高价或回升

英英释义

单词用法

同义词

反义词

例句

1.The likelihood is that the slump will be followed by a period of buoyancy.

有可能在衰退之后出现一段繁荣时期。

2.Women, in general, have a higher body percentage of body fat than men, giving them a buoyancy advantage.

女性，一般来说比男性的脂肪比例高，这让她们在浮力上有更大的优势。

3.The air's buoyancy and the sun's ray.

空气的浮力和太阳的光线。

4.The exhaustion of the Western alliance has coincided with the growing buoyancy and assertiveness of Asia and Latin America.

与西方联盟的疲倦不堪对比鲜明的是，亚洲和拉丁美洲不断增长中的活力和自信。

5.The Saudi response to the recent knee-jerk buoyancy of oil futures was to hold prices and hope to work off brim-full inventories.

沙特回应了最近自动上浮的原油期货价格，以保持价格的稳定并希望提供更为充足的原油库存。

6.Some hope the buoyancy at the top end of the London market will lead to a broader recovery.

一些人希望伦敦市场终端的弹性可以带来更广泛的复苏。

7.Tim Ecott is the author of 'Neutral Buoyancy: Adventures in a Liquid World' (Penguin).

蒂姆·艾科特是《中性浮力：液体世界探险》(企鹅出版社)的作者。

8.Scientists study the buoyancy of different materials to understand their properties.

科学家研究不同材料的浮力以了解它们的特性。

9.In swimming, a person's buoyancy can affect their ability to float.

在游泳中，一个人的浮力会影响他们的漂浮能力。

10.The buoyancy of helium balloons makes them rise in the air.

氦气球的浮力使它们在空气中上升。

11.The buoyancy of the boat allows it to float on the water.

这艘船的浮力使它能够漂浮在水面上。

12.The engineer calculated the buoyancy needed for the underwater structure.

工程师计算了水下结构所需的浮力。

作文

The concept of buoyancy is fundamental in both physics and our everyday lives. It refers to the ability of an object to float in a fluid, which can be a liquid or gas. This phenomenon occurs due to the pressure differences created by the fluid's density and the weight of the object submerged in it. Understanding buoyancy is essential for various applications, from designing ships and submarines to understanding why certain objects sink while others float. In a practical sense, buoyancy is what allows boats to sail smoothly on water. The hull of a boat is designed to displace a volume of water that weighs more than the boat itself, creating an upward force that keeps it afloat. This principle is beautifully illustrated when we observe how large ships, which weigh thousands of tons, can glide effortlessly across the ocean. Their design takes advantage of buoyancy to ensure they do not sink despite their heavy weight.Moreover, buoyancy also plays a significant role in the natural world. For instance, fish utilize this principle to maintain their depth in the water without expending much energy. They possess swim bladders, which are gas-filled organs that help them control their buoyancy. By adjusting the amount of gas in their swim bladders, fish can rise or sink in the water column. This adaptation is crucial for their survival, allowing them to find food, avoid predators, and migrate effectively.In addition to its physical implications, buoyancy can also be seen metaphorically in our lives. Just as objects can experience buoyancy in water, individuals can experience emotional or psychological buoyancy during challenging times. This metaphorical buoyancy refers to the resilience and support systems that help us stay afloat amidst life's difficulties. Friends, family, and community can provide the necessary support that gives us the strength to overcome obstacles.For example, when someone faces a personal crisis, the encouragement and love from close ones can act as a buoy, lifting them out of despair. This emotional buoyancy is vital for mental health, as it reminds us that we are not alone in our struggles. Just like a ship relies on its design to remain afloat, we rely on our relationships and inner strength to navigate through turbulent waters.In conclusion, buoyancy is a multifaceted concept that spans both the physical and emotional realms. Whether we are discussing the mechanics of floating objects or the metaphorical lifting of spirits, understanding buoyancy enriches our comprehension of the world around us. It teaches us about the importance of balance—both in nature and in our personal lives. By appreciating the role of buoyancy, we can learn to navigate through challenges, ensuring that we can rise above the difficulties we encounter, much like a well-designed vessel on water.

“浮力”这个概念在物理学和我们的日常生活中都至关重要。它指的是物体在流体中浮起的能力，这种流体可以是液体或气体。这一现象是由于流体的密度和物体在其中的重量所产生的压力差而发生的。理解浮力对于各种应用至关重要，从设计船只和潜艇到理解某些物体为何沉没而其他物体为何漂浮。从实际角度来看，浮力使得船只能够在水面上平稳航行。船体的设计旨在排开比船本身重的水量，从而产生一种向上的力量，使其保持漂浮。这一原理在我们观察到大型船只（即使重达数千吨）也能轻松在海洋上滑行时得到了完美的体现。它们的设计利用了浮力，确保它们不会沉没，尽管它们的重量很大。此外，浮力在自然界中也扮演着重要角色。例如，鱼类利用这一原理保持它们在水中的深度，而无需消耗大量能量。它们拥有游泳膀胱，这是一种充满气体的器官，可以帮助它们控制自身的浮力。通过调整游泳膀胱中的气体量，鱼类可以在水柱中上升或下沉。这种适应性对它们的生存至关重要，使它们能够有效地觅食、避开捕食者和迁徙。除了物理意义，浮力在我们的生活中也可以隐喻性地体现出来。就像物体可以在水中体验到浮力一样，个人在困难时期也可以体验到情感或心理上的浮力。这种隐喻性的浮力指的是在生活的挑战中帮助我们保持漂浮的韧性和支持系统。朋友、家人和社区可以提供必要的支持，给予我们克服障碍的力量。例如，当某人面临个人危机时，亲近者的鼓励和爱可以作为一个浮筒，将他们从绝望中提起。这种情感上的浮力对心理健康至关重要，因为它提醒我们在挣扎中并不孤单。就像船只依赖其设计保持漂浮一样，我们依赖于人际关系和内心的力量来驾驭动荡的水域。总之，浮力是一个多方面的概念，跨越了物理和情感领域。无论我们是在讨论漂浮物体的力学，还是在讨论精神的提升，理解浮力都丰富了我们对周围世界的理解。它教会我们平衡的重要性——无论是在自然界中还是在我们个人生活中。通过欣赏浮力的作用，我们可以学习如何应对挑战，确保我们能够超越所遇到的困难，就像设计良好的船只在水面上一样。