/ˈdiːkriːs/ [countable, uncountable] the process of reducing sth; the amount that sth is reduced by减少；降低；减少量◆There has been a slight decrease in consumer spending this year.今年的消费开支略有减少。◆a decrease of nearly 6% in the number of visitors游客人数近 6% 的减少 OPP increase ⨁a large / marked / sharp / slight decrease大量的／明显的／急剧的／轻微的减少 ⨁ a price / revenue / sales / tax decrease价格／收入／销售额／税收的减少