Word · CEFR C2 · Frequency #12682
dispersal
分散；散布；传播
The act or result of dispersing or scattering; dispersion.
- 1.
The act or result of dispersing or scattering; dispersion.
分散或散开的行为或结果；驱散。
- 2.
A dispersal prison.
分散监狱。
分散关押监狱；分散或散开的行为或结果；驱散。；分散监狱。；散布；传播
In use
The dispersal of seeds by the wind helps plants colonize new areas.
Police ordered the dispersal of the crowd after the protest became violent.
The company announced the dispersal of profits among shareholders.
the dispersal of sth
The wind aids the dispersal of plant seeds over a wide area.
风帮助植物种子在大范围内扩散。
dispersal from sth
from 引出分散的起点，常见于生态语境。
Young birds may travel far during dispersal from the breeding colony.
幼鸟在离开繁殖地的扩散过程中可能会飞得很远。
dispersal across/over sth
强调分散所覆盖的范围时用 across 或 over。
Connections
Collocations
- seed dispersal
- 种子传播
- Fruit-eating animals play a key role in seed dispersal.吃水果的动物在种子传播中起关键作用。
- long-distance dispersal
- 长距离扩散
- Ocean currents facilitate long-distance dispersal of plant seeds.洋流促进了植物种子的长距离扩散。
- dispersal mechanism
- 扩散机制
- Mosses have an efficient dispersal mechanism for their spores.苔藓拥有高效的孢子扩散机制。
- dispersal patterns
- 扩散模式
- Researchers recorded the dispersal patterns of tagged butterflies.研究人员记录了标记蝴蝶的扩散模式。
- population dispersal
- 种群扩散
- Climate change can accelerate population dispersal in many species.气候变化会加速许多物种的种群扩散。
Learner notes
Memory Tip
拆成dis+perse+al：想象“散开”的动作（disperse）加上名词尾巴-al，风把蒲公英吹散，就是dispersal（分散）。
Context & Register
语域：formal 常见场景：academic writing、ecology and biology、formal news reporting 该词是名词，表示“分散、散布”的动作或结果，多用于学术写作、生物学或正式新闻报道中，属于较正式的书面语。日常口语中较少使用，更常说 spread 或 scatter。
Grammar Note
常用复数形式dispersals，后接of短语表示'…的分散/传播'。
Pronunciation & Spelling
同韵词：rehearsal /rɪˈhɜːsl/、universal /ˌjuːnɪˈvɜːsl/、reversal /rɪˈvɜːsl/，与 dispersal 一样重读部分读 /ɜːsl/。注意形近词 proposal /prəˈpəʊzl/ 虽然也以 -sal 结尾，但读 /zl/，与 dispersal 不押韵。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.