blackbody

blackbody音标是["blækbaɪdəʊ] ，基本翻译是黑体，物质在绝对零度时辐射的电磁波的波长分布仅与温度有关。速记技巧：可以尝试使用联想记忆，如“黑体温度，只与温度有关”来帮助记忆。

Blackbody的英文词源可以追溯到拉丁语“黑”和“身体”两个部分。这个词的含义指的是一个物体，其辐射功率仅仅取决于温度，而与光源、吸收物质等其他因素无关。Blackbody的相关变化形式包括复数形式“blackbodies”和过去式“blacked”。

相关单词：

“blackness”意为“黑色”，与blackbody的“黑”的含义相关。它可以形容物体的颜色，也可以用来描述人的情绪或态度。

“radiantblack”意为“辐射黑”，是描述物体的一种状态，即物体在特定温度下只辐射出黑色光线。

“blackradiance”意为“黑度”，用于描述物体在黑色光线下的亮度或清晰度。

以上这些单词都与Blackbody有着密切的联系，并且可以用来描述或形容与黑色、温度、辐射等相关的事物或现象。Blackbody在物理学和天文学中有着重要的应用，它可以帮助我们更好地理解宇宙中的热辐射和黑体辐射等现象。

常用短语：

1. blackbody model

2. blackbody radiation

3. blackbody spectrum

4. blackbody temperature

5. blackbody radiation spectrum

6. blackbody radiation law

7. blackbody energy

例句：

1. The blackbody spectrum is a unique fingerprint of the object"s temperature and composition.

2. The radiation from a blackbody at a given temperature is proportional to its temperature squared.

3. The blackbody model is widely used in astronomy to describe the emission of stars and galaxies.

4. The temperature of a blackbody is determined by the wavelength of its radiation.

5. The blackbody radiation law is a fundamental law of physics that describes the emission of matter at high temperatures.

6. Blackbody energy is a measure of the total amount of energy emitted by a body at a given temperature.

英文小作文：

Blackbody Radiation: An Introduction

Blackbody radiation is a fundamental property of matter that reaches maximum energy as it approaches absolute zero temperature, or zero Kelvin. It is a consequence of the quantum nature of matter, and is closely related to the emission spectrum of objects such as stars and galaxies.

The blackbody model is a powerful tool in astronomy, helping us to understand the emission spectra of celestial objects and their relationship to their temperature and composition. It is also important in quantum physics, where it serves as a fundamental test of our understanding of the laws of nature.

When matter is heated to high temperatures, it emits radiation that follows the blackbody radiation law, which states that the energy emitted at a given wavelength is proportional to the temperature squared. This law provides a way to measure the temperature of an object, even in the absence of direct observation.

Blackbody radiation is also closely related to the concept of entropy, which measures the disorder or randomness in a system. As matter approaches absolute zero temperature, its entropy increases, indicating that it has become more ordered or structured, despite being in a state of maximum energy. This is an example of the second law of thermodynamics, which states that energy cannot be created or destroyed, but can only be transferred between systems.