spread

scatter, disperse, spread, diffuse

这些动词均含“分散、散开”之意。
scatter: 指人或物向四处散开，或把物随意撒开。
disperse: 多指把一群人或物等彻底驱散。
spread: 指一直延伸、蔓延，侧重遍及。
diffuse: 指光线、声音或气味等在空中传送或散布，强调覆盖面积与物质分布相对密度之间的关系。

spread, circulate, distribute, propagate

这些动词均含“传播，散播”之意。
spread: 普通用词，使用广泛。指传播疾病、思想、文化、习惯或谣言等。
circulate: 既指某物在一物体内循环流动，又可指在一定范围内传播物品、刊物或思想、语言等。
distribute: 指把一定数量的东西分成若干等份进行分发。
propagate: 指宣传，尤其指官方为达到一定政治目的而进行的传播活动。

名词 spread:

1. process or result of distributing or extending over a wide expanse of space
   同义词：spreading
2. a conspicuous disparity or difference as between two figures
   同义词：gap
3. farm consisting of a large tract of land along with facilities needed to raise livestock (especially cattle)
   同义词：ranch, cattle ranch, cattle farm
4. a haphazard distribution in all directions
   同义词：scatter
5. a tasty mixture to be spread on bread or crackers
   同义词：paste
6. a meal that is well prepared and greatly enjoyed
   同义词：banquet, feast
7. two facing pages of a book or other publication
   同义词：spread head, spreadhead, facing pages
8. the expansion of a person's girth (especially at middle age)
9. decorative cover for a bed
   同义词：bedspread, bedcover, bed cover, bed covering, counterpane
10. act of extending over a wider scope or expanse of space or time
    同义词：spreading

动词 spread:

1. distribute or disperse widely
   同义词：distribute
2. become distributed or widespread
   同义词：propagate
3. spread across or over
   同义词：overspread
4. spread out or open from a closed or folded state
   同义词：unfold, spread out, open
5. cause to become widely known
   同义词：circulate, circularize, circularise, distribute, disseminate, propagate, broadcast, diffuse, disperse, pass around
6. become widely known and passed on
   同义词：go around, circulate
7. strew or distribute over an area
   同义词：scatter, spread out
8. move outward
   同义词：diffuse, spread out, fan out
9. cover by spreading something over
10. distribute over a surface in a layer

形容词 spread:

1. distributed or spread over a considerable extent
   同义词：dispersed
2. prepared or arranged for a meal; especially having food set out
3. fully extended in width
   同义词：outspread

1. The rapid spread of the disease is alarming the medical authorities.
   这种疾病的迅速蔓延使医疗当局感到忧虑不安。
2. A wide stretch of land spread in front of us.
   展现在我们面前的是一片广阔的土地。
3. We spread butter on bread.
   我们把奶油涂到面包上。