起反应
An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
Having the characteristics of an acid and a base and capable of reacting chemically either as an acid or a base. 两性的具有酸和碱的特征的，既能作为酸又能作为碱进行化学反应的
Equality of mass and net electric charge of reacting species on each side of an equation. 化学平衡反应式两边在质量或起反应的纯净电荷方面的均等
v.反应过度
v.使消散；发泄
