lessening

基本解释

By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.
用增加和减少每天黑暗小时数的方法，科学家已经能够控制植物生长，如同控制一个电器开关。
nieguotao.blog.163.com
Eventually this results in a lessening of income inequalities because the new middle class sits somewhere between the rich elite and the rural poor.
最终，因为新兴中产阶级位于富裕精英阶层和农村贫穷人口的某个中间位置，这也导致了收入不平等的减少。
Much is made of lessening class allegiance in voting since the war; of all social groups, the middle class has proved most volatile, and most likely to shop around for its politicians.
二战后，很多措施被提出，来减少选举时的阶层拥护；在所有社会群组中，中产阶层被证明是最易动摇的，也是最愿意寻找他们自己的政治家的。

The plastic can block air passages. The trash can also make the animal feel full, lessening its desire to eat or drink.
Unfortunately,starting in 2008, WHO says progress has stagnated because of a big decline in funding and lessening of political commitment for measles control.
President Obama , and administration officials insist there is no question of any lessening of overall U.S.support for civil society and democracy groups seeking democratic reforms in Iran.

And, according to Senate reporting, they were lessening their standards to accommodate these institutions.
FORBES: It's a Long Way from Wrong to Right

If something lessens or you lessen it, it becomes smaller in size, amount, degree, or importance.
lessening

减持
Chapter two, theoretically analyzing the lessening of state-owned shares.
第二章，国有股减持的理论分析。