a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond
双语例句
Nitric acid molecules are linked by hydrogen bonds. 硝酸分子以氢键互相连结。
The energy of the hydrogen bond is largely electrostatic in origin. 氢键的能量从本质上说主要是静电。