The decrease in size was gradual.规模是逐渐减小的。

Police statistics show that violent crime is on the decrease.警方的统计数据显示, 暴力犯罪在减少。

Across the board, literacy and numeracy are on the decrease.普遍来说, 人们的读写能力和计算能力都在下降。

Bank base rates have fallen from 10 per cent to 6 per cent, a decrease of 40 per cent.银行基准利率从10%降到了6%, 下降了40%。

Some groups have decreased their cigarette consumption.一些人群减少了烟草消费。

The factory had to decrease its output.这家工厂不得不削减产量。

The population is decreasing each year.人口数量在逐年下降。

The number of crashes decreased by 27 per cent.车祸数量减少了27%。

Sales decreased 7% during the first half of the year.前半年的销售量下降了7%。