decrease

柯林斯词典

动词读作dɪˈkriːs。名词读作ˈdiːkriːs或dɪˈkriːs。

1. V-T/V-I When something decreases or when you decrease it, it becomes less in quantity, size, or intensity. 使降低; 降低
Population growth is decreasing by 1.4% each year. 人口增长每年下降1.4%。
The number of independent firms decreased from 198 to 96. 独立公司的数量从198家减到了96家。
Since 1945 air forces have decreased in size. 1945年以来，空军的规模已经缩小。
2. N-COUNT A decrease in the quantity, size, or intensity of something is a reduction in it. 减少; 降低
In Spain and Portugal there has been a decrease in the number of young people out of work. 在西班牙和葡萄牙，失业青年人数已经有所下降。

During the 1980s, the amount of ozone in the stratosphere above Europe decreased by about 8%.
Total unemployment has decreased in the past year .
The pop star's popularity decreased as he got older , which is only to be expected .
The government proposed decreasing the annual expenditure on arms .
To make the sleeve get narrower toward the cuff , you gradually decrease the number of stitches on your needle .