covalent bond的音標是[?kɑ?v?l?nt ?b??nd]，基本翻譯是“共價鍵”，速記技巧是“共同價值”+“連接”。共價鍵是指原子間通過共用電子對形成的化學鍵。

Covalent Bond：

Covalent這個詞來源于拉丁語，意思是“共享的，共同的”。Bond這個詞在英語中通常用來表示連接或結合，所以covalent bond可以理解為共享連接。

變化形式：詞形不變，但通常在化學領域中，我們更常使用covalent bond這個詞。

相關單詞：

1. Covalent Dimer 二聚體 - 兩個分子通過共享電子形成的鍵合雙分子。

2. Covalent Triplet 三聚體 - 三個分子通過共享電子形成的鍵合三分子。

3. Covalent Polymer 共價聚合物 - 由多個分子通過共享電子形成的鍵合聚合物。

4. Covalent Cross-Linking 共價交聯 - 通過共價鍵將分子連接在一起，使材料更加堅固和穩定。

5. Covalent Isomerization 共價異構化 - 分子內電子轉移導致分子構象改變的過程。

6. Covalent Sulfur 共價硫 - 一種化學鍵，由硫原子與其他原子共享電子形成。

7. Covalent Bond Strength 共價鍵強度 - 描述共價鍵強度的物理量，通常用鍵能表示。

8. Covalent Ligand 共價配體 - 與金屬原子通過共享電子形成的配體。

9. Covalent Bonding 共價鍵理論 - 一種描述化學鍵的模型，強調電子在兩個原子之間的共享。

10. Covalent Crystal 共價晶體 - 由共價鍵連接的原子形成的晶體結構。

常用短語：

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.