柯林斯詞典decrease (decreasing,decreased,decreases) 動詞讀作d??kri?s。名詞讀作?di?kri?s或d??kri?s。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. 人口增長每年下降1.4%。 The number of independent firms decreased from 198 to 96. 獨立公司的數(shù)量從198家減到了96家。 Since 1945 air forces have decreased in size. 1945年以來，空軍的規(guī)模已經(jīng)縮小。2. N-COUNT A decrease in the quantity, size, or intensity of something is a reduction in it. 減少; 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，失業(yè)青年人數(shù)已經(jīng)有所下降。 返回 decrease劍橋詞典to become less, or to make something become less （使）減少；（使）下降；（使）降低 Our share of the market has decreased sharply this year . 今年我們的市場份額急劇下降。 We have decreased our involvement in children's books . 我們減少了在兒童讀物方面的投入。 反義詞increase 例句 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 . 返回 decrease