noun 下载 🔗分享 共振, 中间态. The property of some molecules of having a structure that cannot be represented by a single structural formula; resonance. Examples : "The concept of mesomerism explains why ozone (O3) doesn't have alternating single and double bonds, but rather two equivalent bonds with a bond order between a single and double bond. " 共振现象解释了为什么臭氧 (O3) 分子不是单双键交替排列，而是具有两个完全相同的键，它们的键级介于单键和双键之间。 chemistry compound structure theory science 与AI对话词汇游戏阅读练习
