decrease

B2 CET-4 Oxf 3000 高中 FREQ #18364 ★★☆☆☆

n. 减少, 减少量 v. 减少

发音

US
其它 /dɪˈkɹiːs/
其它 /ˈdiːkɹiːs/

词形变化

decreases 复数 decreases decreased decreases 三单 decreasest decreaseth decreasing decreasing 现在分词 decreased 过去式 decreased 过去分词

别名

dec

教材释义与例句

名词

减少，减小；减少量

the process of becoming less, or the amount by which something becomes less

动词

减少，减小

to become less or go down to a lower level, or to make something do this

释义与例句

n. B2 Oxf 3000
  1. 1.

    An amount by which a quantity decreases or is decreased.

    减少

    可数 不可数

    After six years of constant growth, the company reported a slight decrease in sales last year.

    One research team has recorded Baishui’s decrease at about 27 meters per year over the last 10 years.

  2. 2.

    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).

    可数 不可数 商务 工程
v. B2 Oxf 3000
  1. 1.

    Of a quantity, to become smaller.

    减少

    下降

    不及物

    The quality of our products has decreased since the main designer left.

  2. 2.

    To make (a quantity) smaller.

    及物

    Let's decrease the volume a little so we can hear each other talking.

词汇关系

名词

同义词 6

reduction drop-off decrement diminution lessening stepdown

反义词 1

increase

上位词 5

change process amount modification alteration

下位词 10

cut fall drop shelter relief dip discount sinking decline decay
动词

同义词 4

fall diminish lessen minify

反义词 1

increase

上位词 3

change alter modify

下位词 10

cut break relax fly slow contract lower flag concentrate limit

词源

From Middle English decresen, alteration of discresen, from Anglo-Norman, Old French descreistre (French: décroître), from Latin decrescere.

来源：wiktionary