exothermal

exothermal的音标是[ɪkˈsəʊθə(ʊ)m(ə)l]，基本翻译是“放热性的”，速记技巧是“exo”（外）+“thermo”（热）。

Exothermal这个词源自希腊语，意思是“发出热”。它的变化形式包括名词exotherm和形容词exothermic。

相关单词：

1. Exothermic reaction（放热反应）：这个词指的是化学反应中释放出热量的反应，是化学反应的一种类型。

2. Exothermicity（放热性）：这个词用来描述化学反应中释放热量的性质。

3. Endothermic（吸热反应）：这个词来自于希腊语，意思是“吸收热”，用来描述化学反应中吸收热量的过程或反应。

4. Endothermy（吸热性）：这个词用来描述物质吸收热量的性质或过程。

5. Thermochemistry（热化学）：这个词指的是研究化学反应中热量变化的科学，exothermal和endothermal是热化学中的重要概念。

6. Exothermicity and endothermicity（放热性和吸热性）：这是两个描述化学反应中热量变化的属性，它们在热化学中非常重要。

7. Exothermal shock（放热冲击）：这个词指的是在某些情况下，由于化学反应的快速释放，导致物体受到的冲击。

8. Exothermality（放热）：这是一个形容词，用来描述某种物质或过程具有放热的性质。

9. Exothermality of a substance（物质的放热性）：这是描述某种物质在特定条件下释放热量的能力。

10. Exothermal waves（放热波）：这是指在某些地质过程中产生的能量释放波，通常伴随着地震或火山喷发等事件。

exothermal

短语：

1. exothermal reaction 放热反应

2. exothermal decomposition 放热分解

3. exothermal synthesis 放热合成

4. exothermal reaction rate 放热反应速率

5. exothermic heat of reaction 反应的放热量

6. exothermic potential 放热势能

7. exothermic process 放热过程

例句：

1. When we ignite hydrogen and oxygen in a fuel cell, an exothermal reaction occurs, generating electricity and heat.

2. The chemical reaction in the battery is exothermal, which means that it generates heat.

3. The exothermal reaction during the combustion of fossil fuels creates a lot of energy.

4. The exothermal decomposition of ammonium nitrate is a dangerous process that can cause fires and explosions.

5. The exothermic potential of nuclear fusion reactions could be used to generate electricity on a large scale.

6. The exothermic process of manufacturing steel requires a lot of energy and creates a lot of pollution.

7. The exothermic reaction of the chemical reactions in the body is essential for maintaining cellular health and survival.

英文小作文：

Exothermal reactions are essential in many different contexts, from chemical reactions to the production of energy and materials. They occur naturally in many processes, such as the combustion of fossil fuels or the manufacturing of steel, and are also used in man-made systems like fuel cells and nuclear fusion reactions. Exothermal reactions generate heat, which can be used for various purposes, such as generating electricity or maintaining cellular health. However, they also pose risks, such as fires and explosions, and require careful management and control to ensure safety and efficiency. Understanding exothermal reactions is crucial for understanding the world around us and for developing new technologies and processes that rely on them.