dispersal

英 [dɪˈspɜːsl]

美 [dɪˈspɜːrsl]

n.  分散; 疏散; 散布

复数：dispersals　

TOEFLIELTS

BNC.12682 / COCA.15305

牛津词典

noun

• 分散；疏散；散布
  the process of sending sb/sth in different directions; the process of spreading sth over a wide area
  1. police trained in crowd dispersal
     在疏散人群方面受过训练的警察
  2. the dispersal of seeds
     种子的播撒

柯林斯词典

• N-UNCOUNT 散开;散布;传播
  Dispersalis the spreading of things over a wide area.
  1. Plants have different mechanisms of dispersal for their spores.
     植物传播孢子的方法各不相同。
• N-UNCOUNT 疏散;分散
  Thedispersal ofa crowd involves splitting it up and making the people leave in different directions.
  1. The police ordered the dispersal of the crowds gathered round the building.
     警方命令聚集在建筑物四周的人群散开。

英英释义

noun

• the act of dispersing or diffusing something
  1. the dispersion of the troops
  2. the diffusion of knowledge
  Synonym:dispersiondisseminationdiffusion

双语例句

• Entomologists have tended to underestimate the importance of colonization through dispersal.
  昆虫学家倾向于低估在扩散过程中定居现象的重要性。
• After the dispersal of the crowd, five people is find to is hurt.
  人群散开后，发现五人受了伤。
• Plants have different mechanisms of dispersal for their spores.
  植物传播孢子的方法各不相同。
• The means of dispersal are wind, water and animals.
  传播的媒介有风、水和动物。
• This, with all available information on topography, primary and secondary mineral dispersal, helps to locate the mineralization.
  这个和所有关于地形、原生和次生矿物分布的信息有助于圈定矿化。
• Seeds dispersal by rain is especially important in extremely hot and dry deserts.
  在极端干热的沙漠里，通过雨水传播种子尤其重要。
• Habitat fragmentation poses a wide spread threat to biodiversity by disrupting seed production and dispersal.
  生境片断化扰乱了种子的生产和扩散机制，越来越严重地威胁着生物多样性。
• The police ordered the dispersal of the crowds gathered round the building.
  警方命令聚集在建筑物四周的人群散开。
• Relatively rapid and widespread migration, dispersal apparently account for this.
  比较迅速而广泛的迁移，散布就明显说明了这一点。
• Seed dispersal of the pioneer shrub Rhodomyrtus tomentosa by frugivorous birds and ants
  鸟类和蚂蚁对桃金娘种子传播的初步研究