covalent bond

covalent bond的音标是[ˌkɑːvələnt ˈbɔɪnd]，基本翻译是“共价键”，速记技巧是“共同价值”+“连接”。共价键是指原子间通过共用电子对形成的化学键。

Covalent Bond：

Covalent这个词来源于拉丁语，意思是“共享的，共同的”。Bond这个词在英语中通常用来表示连接或结合，所以covalent bond可以理解为共享连接。

变化形式：词形不变，但通常在化学领域中，我们更常使用covalent bond这个词。

相关单词：

1. Covalent Dimer 二聚体 - 两个分子通过共享电子形成的键合双分子。

2. Covalent Triplet 三聚体 - 三个分子通过共享电子形成的键合三分子。

3. Covalent Polymer 共价聚合物 - 由多个分子通过共享电子形成的键合聚合物。

4. Covalent Cross-Linking 共价交联 - 通过共价键将分子连接在一起，使材料更加坚固和稳定。

5. Covalent Isomerization 共价异构化 - 分子内电子转移导致分子构象改变的过程。

6. Covalent Sulfur 共价硫 - 一种化学键，由硫原子与其他原子共享电子形成。

7. Covalent Bond Strength 共价键强度 - 描述共价键强度的物理量，通常用键能表示。

8. Covalent Ligand 共价配体 - 与金属原子通过共享电子形成的配体。

9. Covalent Bonding 共价键理论 - 一种描述化学键的模型，强调电子在两个原子之间的共享。

10. Covalent Crystal 共价晶体 - 由共价键连接的原子形成的晶体结构。

常用短语：

1. covalent bonding

2. covalent bond formation

3. covalent bonding mechanism

4. covalent bonding strength

5. covalent bonding energy

6. covalent bonding stability

7. covalent bonding in polymers

例句：

1. The formation of covalent bonds is essential for the stability of chemical compounds.

2. The strength of covalent bonds determines the mechanical properties of polymers.

3. Covalent bonds are formed between atoms to form a strong and stable molecular structure.

4. Covalent bonding energy is a measure of the stability of chemical bonds.

5. Covalent bonding in polymers is responsible for their high mechanical strength and toughness.

6. Understanding the covalent bonding mechanism is crucial for the development of new materials.

英文小作文：

Covalent Bonds: The Foundation of Chemical Stability and Polymer Properties

Covalent bonds are essential for the stability of chemical compounds and the mechanical properties of polymers. These strong and stable bonds are formed between atoms through the sharing or transfer of electrons, resulting in a highly ordered molecular structure. Covalent bonding plays a crucial role in determining the chemical and physical properties of materials, making it a key aspect of materials science and chemistry research. Understanding covalent bonding mechanisms and strengths can help us develop new materials with enhanced properties and applications. Furthermore, covalent polymers have attracted much attention in the field of advanced materials due to their unique mechanical, electrical, and chemical properties, making them promising candidates for various applications in the field of electronics, optics, and biomedicine. Therefore, covalent bonds hold great promise for future advances in science and technology.