n.改善；改良；改進

Work for the amelioration of prisons. 改善監(jiān)獄用費四百利弗。

At last, the whole paper is summarized and provides theories and experiences for more effective amelioration. 最后，對全文進行總結(jié)，為今后的改進提供理論支持與經(jīng)驗積累。

In industry some amelioration of the atmosphere in the steamy, gas-lighted workrooms was forced on mill owners to offset an increasing sickness rate. 在工業(yè)上，潮濕的以天然氣來照明的車間的環(huán)境有一些改進，但對于磨房主要彌補的逐漸升高的疾病率來說很牽強。