| 释义 |
chemical bond化学键【化】 化学键 chemical bond chemical bond n.(名词)Any of several forces or mechanisms, especially the ionic bond, covalent bond, and metallic bond, by which atoms or ions are bound in a molecule or crystal.化学键:使原子或离子结合成分子或晶体的力量或历程,尤指离子键、共价键和金属键 |