A regressive tax, like the poll tax, takes proportionately more of a poor person’s income.

像人头税，减税占穷人收入的比例更大。

Definition form Wikipedia: A degauss causes a magnetic field to oscillate rapidly, with decreasing amplitude.

摘自维基百科的定义：消磁器产幅度减的快速交变磁场。

As the time went on, the residual weight of isoprocarb in soil decreased, which was in keeping with the first-order kinetics equation.

异丙威在大白菜和壤中的残留量随着时间延长而减,符合级反应动力学方程。