spiral

简明释义

英[ˈspaɪrəl]美[ˈspaɪrəl]

n. 螺旋形，螺旋形之物；持续加剧的上升（或下降、恶化）；旋球

v. 螺旋式上升（或下降），盘旋上升（或下降）；持续下降，持续恶化；急剧上升

adj. 螺旋形的；（医）扭折（骨折的一种）；spiral-bound的简称

复 数 s p i r a l s

第 三 人 称 单 数 s p i r a l s

现 在 分 词 s p i r a l l i n g 或 s p i r a l i n g

过 去 式 s p i r a l l e d 或 s p i r a l e d

过 去 分 词 s p i r a l l e d 或 s p i r a l e d

英英释义

单词用法

同义词

反义词

例句

1.We need to stop this downward spiral.

我们需要遏制住这种螺旋下滑的势头。

2.She was trapped in a downward spiral of personal unhappiness.

她陷入了个人不幸的旋涡难以自拔。

3.Production costs began to spiral.

生产成本开始加速上涨。

4.The result is a downward spiral.

这将造成一个下行螺旋的结果。

5.We mustn't get trapped in a downward spiral.

我们决不能陷入下降式螺旋之中。

6.This spinning motion, at speeds of hundreds of kilometers per second, may cause matter in the disk to take on a spiral shape.

这种以每秒数百公里的速度旋转的运动，可能会使圆盘上的物质呈现出螺旋形状。

7.These spiral vessels are part of a banana plant stem.

这些螺旋状的脉管是香蕉植物茎的一部分。

8.This can lead us on a downward spiral with more and more plants and animals becoming endangered as well.

这可能导致我们进入一个恶性循环，即越来越多的植物和动物也濒临灭绝。

9.Concrete mixing and unloading mainly depend on the two spiral mixing leaves, so the design of the helical mixing blades is particularly important.

混凝土的搅拌和卸载主要依靠两个螺旋搅拌叶片，因此螺旋搅拌叶片的设计尤为重要。

10.The spiral 螺旋 galaxy was visible through the telescope, showcasing its stunning beauty.

通过望远镜可以看到这颗螺旋星系，展示了它惊人的美丽。

11.The staircase had a beautiful spiral 螺旋 design that captivated everyone who entered the building.

这座楼梯有一个美丽的螺旋设计，吸引了每一个进入大楼的人。

12.The smoke from the campfire rose in a spiral 螺旋, creating a mesmerizing effect.

营火的烟雾以螺旋的方式上升，形成了迷人的效果。

13.As the roller coaster went down, it made a thrilling spiral 螺旋 turn that made my heart race.

过山车下滑时，做了一个刺激的螺旋转弯，让我的心跳加速。

14.The artist painted a spiral 螺旋 pattern on the canvas that drew the viewer's eye.

艺术家在画布上画了一个螺旋图案，吸引了观众的目光。

作文

In the world of mathematics and nature, the concept of a spiral (螺旋) is both fascinating and prevalent. A spiral (螺旋) can be defined as a curve that starts from a central point and moves outward in a circular motion while gradually increasing its distance from the center. This simple yet profound shape can be observed in various contexts, from the shells of certain mollusks to the arrangement of seeds in a sunflower. Understanding the significance of spirals (螺旋) can lead to a deeper appreciation of the patterns found in nature and their mathematical implications.One of the most striking examples of a spiral (螺旋) in nature is the nautilus shell. As the nautilus grows, it forms a spiral (螺旋) shell that provides buoyancy and protection. The logarithmic spiral (螺旋) of the nautilus is not only beautiful but also efficient, allowing the creature to maintain its position in the water without expending much energy. This natural design exemplifies how spirals (螺旋) can optimize functionality while also adhering to aesthetic principles.In addition to marine life, spirals (螺旋) can be found in the plant kingdom. The arrangement of leaves around a stem, known as phyllotaxis, often follows a spiral (螺旋) pattern that maximizes sunlight exposure for each leaf. This arrangement allows plants to efficiently capture energy from the sun, illustrating how spirals (螺旋) play a crucial role in the survival of various species.Mathematically, spirals (螺旋) are studied in various branches of mathematics, including geometry and calculus. The spiral (螺旋) can be represented using polar coordinates, where the distance from the origin increases as the angle increases. This relationship leads to fascinating properties and applications, such as in the design of gears and other mechanical systems. Engineers often utilize the principles of spirals (螺旋) to create efficient machines that leverage rotational motion.Furthermore, spirals (螺旋) have significant cultural and symbolic meanings across different societies. In many cultures, the spiral (螺旋) represents growth, evolution, and the journey of life. It symbolizes the idea of moving forward while also returning to one's roots, creating a continuous cycle of development. Artists and architects have incorporated spirals (螺旋) into their works, recognizing the inherent beauty and harmony associated with this shape.In conclusion, the spiral (螺旋) is more than just a geometric figure; it is a phenomenon that permeates our understanding of the natural world, mathematics, and culture. Whether observed in the shells of sea creatures, the arrangement of leaves, or the designs of human-made structures, spirals (螺旋) remind us of the interconnectedness of all things. By studying spirals (螺旋), we gain insights into the principles that govern life and the universe, encouraging us to appreciate the beauty and complexity surrounding us.

在数学和自然界中，spiral（螺旋）的概念既迷人又普遍。spiral（螺旋）可以定义为从中心点开始，并以圆形运动向外移动，同时逐渐增加与中心的距离的曲线。这种简单而深刻的形状可以在各种上下文中观察到，从某些软体动物的壳到向日葵的种子排列。理解spirals（螺旋）的意义可以让我们更深入地欣赏自然界中发现的模式及其数学含义。自然界中最引人注目的spiral（螺旋）例子之一是鹦鹉螺的壳。当鹦鹉螺生长时，它形成一个spiral（螺旋）壳，提供了浮力和保护。鹦鹉螺的对数spiral（螺旋）不仅美丽，而且高效，使生物能够在水中保持位置而不消耗太多能量。这种自然设计展示了spirals（螺旋）如何优化功能，同时遵循美学原则。除了海洋生物，spirals（螺旋）还可以在植物王国中找到。叶子围绕茎的排列，称为叶序，通常遵循一种spiral（螺旋）模式，以最大化每片叶子的阳光暴露。这种排列使植物能够有效捕获来自太阳的能量，说明了spirals（螺旋）在各种物种生存中的关键作用。在数学上，spirals（螺旋）在几何和微积分等多个数学分支中被研究。spiral（螺旋）可以使用极坐标表示，其中离原点的距离随着角度的增加而增加。这种关系导致了迷人的性质和应用，例如在齿轮和其他机械系统的设计中。工程师们常常利用spirals（螺旋）的原理来创建高效的机器，利用旋转运动。此外，spirals（螺旋）在不同社会中具有重要的文化和象征意义。在许多文化中，spiral（螺旋）代表着成长、进化和生命的旅程。它象征着向前发展的同时也回归根源，创造出一个持续发展的循环。艺术家和建筑师将spirals（螺旋）融入他们的作品中，认识到这种形状固有的美和和谐。总之，spiral（螺旋）不仅仅是一个几何图形；它是一种渗透我们对自然世界、数学和文化理解的现象。无论是在海洋生物的壳中、叶子的排列中，还是在人造结构的设计中观察到，spirals（螺旋）都提醒我们万物之间的相互联系。通过研究spirals（螺旋），我们获得了对支配生命和宇宙的原则的洞察，鼓励我们欣赏周围的美和复杂性。