Word · Frequency #4237
decreases
减少；下降；减少量
decreases is the plural of decrease.
核心释义
An amount by which something becomes smaller or is made smaller.
- 1.
数量减少或被减少的量。
An amount by which a quantity decreases or is decreased.
- 2.
针数的减少,通常通过将要减少的针悬挂在另一个现有针上或与另一针一起编织来实现。
A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting).
减针；数量减少或被减少的量。；针数的减少,通常通过将要减少的针悬挂在另一个现有针上或与另一针一起编织来实现。；减少；减少量
用法In use
The company reported a decrease in profits this quarter.
用法提示：decrease作为名词，表示数量上的减少
There has been a steady decrease in the population of the village over the years.
用法提示：decrease作为名词，描述持续下降的趋势
We observed a significant decrease in temperature after the storm.
用法提示：decrease作为名词，表示具体数值的降低
a decrease in sth
表示某方面数量的减少，in 后接减少所涉及的方面。
There has been a decrease in the number of students.
学生人数有所减少。
a decrease of + 数量
of 后接具体的减少幅度。
相关词与表达Connections
搭配Collocations
- a decrease in
- 在...方面的减少
- There has been a decrease in sales this quarter.本季度销售额有所下降。
- a significant decrease
- 显著减少
- The company reported a significant decrease in profits.该公司报告利润大幅下降。
- a slight decrease
- 略微减少
- There was a slight decrease in temperature overnight.夜间气温略有下降。
- a steady decrease
- 稳步减少
- We observed a steady decrease in the population of the species.我们观察到该物种的数量稳步减少。
- a decrease of
学习提示Learner notes
记忆技巧Memory Tip
decrease: de-表示向下，crease联想crease(折痕)，折痕向下压平即减少。
语境与语域Context & Register
作为名词时，通常用于正式或半正式场合，如商业报告和科学研究，但在日常对话中也较常见。
语法说明Grammar Note
作为名词时，常与介词 in 连用，表示在某方面的减少。
发音与拼写Pronunciation & Spelling
All listed words end in '-ease' pronounced /iːs/, forming perfect rhymes with 'decrease' (noun).
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Dictionary facts from ECDICT, WIKTIONARY.