amelioration

n.改善；改良；改进

Work for the amelioration of prisons. 改善监狱用费四百利弗。

At last, the whole paper is summarized and provides theories and experiences for more effective amelioration. 最后，对全文进行总结，为今后的改进提供理论支持与经验积累。

In industry some amelioration of the atmosphere in the steamy, gas-lighted workrooms was forced on mill owners to offset an increasing sickness rate. 在工业上，潮湿的以天然气来照明的车间的环境有一些改进，但对于磨房主要弥补的逐渐升高的疾病率来说很牵强。