particle

简明释义

英[ˈpɑːtɪk(ə)l]美[ˈpɑːrtɪkl]

n. 微粒；极少量；粒子（原子的极微小成分，如电子、质子或中子）；（数）质点；（语法中的）小品词，虚词

复 数 p a r t i c l e s

英英释义

单词用法

同义词

反义词

例句

1.One particle comes to you and the other comes to you.

一个粒子向你运动，另一个也向你运动。

2.What is the velocity of this particle?

那么粒子的速度又是多少？

3.This is the scattered particle.

这就是散射粒子。

4.Eucommia ulmoides gum is a crystalline particle existing in the bark and leaf of Duzhong tree.

杜仲胶是杜仲树树皮和叶片中存在的一种结晶颗粒。

5.There is a particle of truth in his statement.

在他的声明中只有极少的事实。

6.Tony Stark has a particle accelerator in his home, but just how plausible is such a build?

托尼·斯塔克在他家就建了个粒子加速器，但这样的建造有多可信呢？

7.The energy of a light photon or particle is different for each color.

可见光子或粒子的能量因颜色不同而不同。

8.Particle physicists and astronomers collaborate often.

粒子物理学家和天文学家经常合作。

9.In physics, a small particle 粒子 can be defined as a minute fragment of matter.

在物理学中，一个小的particle粒子可以被定义为微小的物质碎片。

10.The scientist studied the behavior of each particle 粒子 in the experiment.

科学家研究了实验中每一个particle粒子的行为。

11.Dust particles 颗粒 can cause allergies in sensitive individuals.

灰尘particles颗粒可能会导致敏感个体过敏。

12.The air was filled with tiny particles 颗粒 that sparkled in the sunlight.

空气中充满了在阳光下闪烁的微小particles颗粒。

13.When you mix sand and water, the particles 颗粒 behave differently than when they are dry.

当你将沙子和水混合时，particles颗粒的行为与干燥时不同。

作文

In the vast universe, everything is made up of tiny components known as particles. A particle is often defined as a small localized object to which can be ascribed physical properties. These particles are the building blocks of matter and can exist in various forms, such as atoms, molecules, or even subatomic particles like electrons and protons. Understanding particles is fundamental to the field of physics and chemistry, as it helps us comprehend the composition and behavior of the universe around us. At the atomic level, particles are essential for forming the elements that make up all matter. Each element is characterized by its unique number of particles, particularly protons, which determine the element's identity on the periodic table. For instance, a hydrogen atom has one proton, making it the simplest element, while heavier elements like uranium have many more particles in their nuclei. Moreover, the interactions between particles are what give rise to the various states of matter: solid, liquid, gas, and plasma. In solids, particles are closely packed together, allowing them to maintain a fixed shape. In liquids, particles are less tightly packed, allowing them to flow and take the shape of their container. Gases, on the other hand, consist of particles that are far apart and move freely, filling any available space. This understanding of particles is crucial not only in science but also in industries like pharmaceuticals, where the properties of particles can affect drug effectiveness and delivery. In the realm of quantum physics, the concept of particles becomes even more intriguing. Quantum mechanics reveals that particles can exhibit both wave-like and particle-like properties, leading to phenomena such as wave-particle duality. This duality challenges our classical understanding of particles and suggests that at a fundamental level, reality is much more complex than it appears. For example, light can behave as a wave, spreading out over an area, or as a particle, called a photon, which can collide with other particles. The study of particles extends beyond the microscopic world into cosmology, where astronomers explore the particles that constitute the universe. Dark matter and dark energy, which together make up about 95% of the universe, are thought to consist of unknown particles that do not interact with electromagnetic forces, making them invisible and detectable only through their gravitational effects. Understanding these mysterious particles is one of the biggest challenges in modern astrophysics. In conclusion, particles are fundamental to our understanding of the physical world. They form the basis of all matter, influence the properties of materials, and play a crucial role in the universe's structure and behavior. From the smallest particles that make up atoms to the vast cosmic particles that govern the universe, the study of particles opens up a world of knowledge that continues to evolve. As we delve deeper into the nature of particles, we uncover the secrets of the universe, paving the way for future discoveries that could change our understanding of reality itself.

在广阔的宇宙中，一切都是由称为粒子的微小组成部分构成的。粒子通常被定义为一个小的局部对象，可以赋予其物理属性。这些粒子是物质的基本构件，可以以各种形式存在，如原子、分子，甚至亚原子粒子（如电子和质子）。理解粒子对于物理学和化学领域至关重要，因为它帮助我们理解周围宇宙的组成和行为。 在原子层面上，粒子对于形成构成所有物质的元素至关重要。每个元素的特征在于其独特数量的粒子，特别是质子，这决定了该元素在周期表上的身份。例如，氢原子有一个质子，使其成为最简单的元素，而像铀这样的重元素在其原子核中有更多的粒子。 此外，粒子之间的相互作用是导致各种物质状态（固体、液体、气体和等离子体）的原因。在固体中，粒子紧密地排列在一起，使其保持固定形状。在液体中，粒子的排列较松散，允许它们流动并占据容器的形状。气体则由远离且自由移动的粒子组成，填充任何可用空间。对粒子的这种理解不仅在科学中至关重要，在制药等行业中，粒子的性质也会影响药物的有效性和输送。 在量子物理的领域中，粒子的概念变得更加引人入胜。量子力学揭示了粒子可以表现出波动性和粒子性，这导致了波粒二象性等现象。这种二象性挑战了我们对粒子的经典理解，并暗示在基本层面上，现实比它看起来要复杂得多。例如，光可以作为波传播，或作为一种称为光子的粒子与其他粒子发生碰撞。 粒子的研究超越了微观世界，进入宇宙学，天文学家探讨构成宇宙的粒子。暗物质和暗能量共同占据了宇宙的约95%，它们被认为由未知的粒子组成，这些粒子不与电磁力相互作用，使其不可见，仅通过其引力效应进行探测。理解这些神秘的粒子是现代天体物理学面临的最大挑战之一。 总之，粒子是我们理解物理世界的基础。它们构成了所有物质，影响材料的性质，并在宇宙的结构和行为中发挥着关键作用。从构成原子的最小粒子到支配宇宙的巨大宇宙粒子，粒子的研究打开了一个不断发展的知识世界。当我们更深入地探讨粒子的本质时，我们揭示了宇宙的秘密，为未来可能改变我们对现实理解的发现铺平了道路。