black body

black body的音标是["blæk bɪdʒu] 。基本翻译是“黑体”，即指某一物体吸收所有颜色的光线而反射很少一部分光线的特性。速记技巧是记住“黑”这个字，再结合body这个字，可以想象成物体本身是黑的，所以吸收了所有颜色的光。

Black body 英文词源：

Black body 是一个物理学名词，通常指在给定温度和辐射强度下，能够完全吸收所有进入其表面的辐射，而不会将热量辐射回太空的物体。Black body 一词来源于拉丁语“black”和“body”的组合，意为“黑色的身体”。

Black body 的变化形式：

Black body 在英语中通常以名词形式使用，没有特定的变化形式。

相关单词：

1. black hole - 黑洞：黑洞是一种由强引力场形成的天体，其表面光线无法逃逸，因此呈现出黑色。与 black body 一样，black hole 一词也来源于拉丁语，意为“黑色的洞”。

2. dark matter - 暗物质：暗物质是一种未知的物质，存在于宇宙中，其存在是通过其引力效应间接证明的。暗物质不发光，也不反射光，因此呈现出黑色。

3. melanin - 黑色素：黑色素是一种生物色素，存在于动物和植物体内，是皮肤、毛发和眼睛颜色形成的主要成分。

以上这些词汇都与黑色和暗淡的物体有关，描述了自然界中黑色或暗淡的物质和现象。Black body 作为物理学中的一个概念，也反映了人类对物质特性和宇宙本质的探索和认知。

Black Body

常用短语：

1. black body radiation

2. black body temperature

3. black body spectrum

4. black body theory

5. black body radiation law

6. black body spectrum analysis

7. black body oscillator

双语例句：

1. The black body spectrum is a unique phenomenon of quantum mechanics. （黑体光谱是量子力学的一个独特现象。）

2. The temperature of a black body is determined by the radiation emitted by it. （黑体温度由其发出的辐射决定。）

3. Black body radiation law is a fundamental law of physics. （黑体辐射定律是物理学的一个基本定律。）

4. Black body theory is a powerful tool for studying the properties of light and other radiation. （黑体理论是研究光和其他辐射性质的有力工具。）

5. The black body oscillator is a model used to describe the behavior of certain quantum systems. （黑体振子是一个用来描述某些量子系统行为的模型。）

6. The black body spectrum analysis is an important method for detecting the presence of hidden objects. （黑体光谱分析是一种重要的检测隐藏物体存在的方法。）

7. The black body concept has been widely used in various fields of science and technology. （黑体概念在科学和技术的各个领域中被广泛应用。）

英文小作文：

Black Body Radiation: An Introduction

Black body radiation refers to the emission of electromagnetic radiation by a perfect absorber of all incident radiation, which has a unique spectrum and temperature characteristics. In physics, black body radiation is closely related to quantum mechanics and the theory of relativity, and it plays an important role in various fields of science and technology, such as astronomy, optics, and quantum computing. In this essay, we will explore the concept of black body radiation and its applications in different fields.

In nature, objects emit radiation in all directions, which can be described by a spectrum that shows the intensity of radiation at different wavelengths. However, not all objects emit radiation in the same way. Some objects, such as a perfect absorber of all incident radiation, emit only radiation that is absorbed by them, resulting in a unique spectrum and temperature characteristics that are different from other objects. This phenomenon is called black body radiation, which is closely related to quantum mechanics and the theory of relativity.

Black body radiation has been widely used in various fields of science and technology, such as astronomy, where it is used to measure the temperature and spectral characteristics of celestial objects. In optics, black body radiation plays an important role in understanding the properties of light and other types of radiation, such as infrared radiation and ultraviolet radiation. In quantum computing, black body radiation can be used as a source of quantum states for quantum computation and quantum communication.

In conclusion, black body radiation is a fundamental concept in physics that plays an important role in various fields of science and technology. Understanding its properties and applications can help us better understand the universe and develop new technologies based on quantum physics.