decrease/dɪˈkriːs/动词(使)减少;(使)下降;(使)降低We have decreased our involvement in children's books.我们减少了在儿童读物方面的投入。/ˈdiː.kriːs/名词减少;下降;降低I haven't noticed much decrease in interest.我并未发现人们的兴趣有大幅下降的趋势。想跟读,去练习