n.分解；分离；游离
Generally ionic salts with a large anion should have a high dissociation constant. 一般情况下，包含大的阴离子的盐具有高的分解常数。
Defining feature is dissociation of certain aspects of personality. 确定特征是人格的某些样子的分离。
The dissociation has been forgetting the color sky. 游离在遗忘了颜色的天空。
n.光致离解(光解作用)
