Word · CEFR B1 · Frequency #4237
decrease
减少;减小;降低
核心释义
To become smaller in amount, size, or degree.
- 1.
指数量变小。
Of a quantity, to become smaller.
- 2.
使(数量)变小。
To make (a quantity) smaller.
使减少;使减小;降低;指数量变小。;使(数量)变小。;减少
用法In use
The company's profits decreased by 10% last quarter.
用法提示:decrease用作动词,表示数量或程度的减少
You should decrease your salt intake to improve your health.
用法提示:decrease用作动词,表示减少某物的量
The temperature is decreasing rapidly as the sun sets.
用法提示:decrease的现在分词形式,表示正在减少
sth decreases
不及物用法,主语就是变小的那个数量本身。
Online sales decreased sharply last year.
去年网上销售额急剧下降。
decrease sth
及物用法,后面直接跟被减小的对象。
The company decreased its prices to attract more customers.
相关词与表达Connections
搭配Collocations
- decrease significantly
- 显著减少
- The number of visitors decreased significantly during the winter.冬季期间游客人数显著减少。
- decrease by 10%
- 减少10%
- The company's profits decreased by 10% last year.公司去年的利润减少了10%。
- decrease over time
- 随时间减少
- The pain should decrease over time.疼痛应随时间逐渐减轻。
- decrease in value
- 价值下降;贬值
- The property decreased in value after the road was built.道路建成后,该房产贬值了。
- decrease the risk
学习提示Learner notes
记忆技巧Memory Tip
把纸反复折叠(crease),折痕越多,纸的面积就越小,正好记住 decrease 是‘减少’。
语境与语域Context & Register
语域:neutral 常见场景:日常交流、学术与商务写作、新闻报道 decrease 是中性常用词,在日常口语和正式书面语中都适用;口语中偶尔会改用 go down,但 decrease 本身并无明显生硬感。
语法说明Grammar Note
既可作及物动词也可作不及物动词;常用介词by, in, to.
发音与拼写Pronunciation & Spelling
以下单词与 decrease(/dɪˈkriːs/)押韵(重读元音和后续辅音相同):increase(/ɪnˈkriːs/)、release(/rɪˈliːs/)、cease(/siːs/)、crease(/kriːs/)、grease(/ɡriːs/,作名词时)。注意:disease(/dɪˈziːz/)拼写相似,但以 /z/ 结尾,不押韵。另外,grease 作动词时读 /ɡriːz/。
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。
Dictionary facts from ECDICT, WIKTIONARY.