covalent bond

• n. [化]共价键

英英释义

Noun:

1. a chemical bond that involves sharing a pair of electrons between atoms in a molecule

例句

用作名词 (n.)

1. In covalent bonding, atoms share electrons.
   在共价键联中，原子共有电子。
2. Crystals may be classified as either ionic or covalent by analogy with molecules.
   与分子的情况一样，晶体也可以分为离子键型和共价键型。