span

n.共轭（马、骡）；跨度，墩距；一段时间；[航] 跨绳

vt.缚住或扎牢；跨越时间或空间；以掌测量；以手围绕测量类似测量

noun

1. 持续时间
   the length of time that sth lasts or is able to continue
   1. I worked with him over a span of six years.
      我和他共事达六年之久。
   2. The project must be completed within a specific time span .
      这项工程必须在规定期限内完成。
   3. Small children have a short attention span .
      幼儿注意力持续时间短。
2. 范围；包括的种类
   a range or variety of sth
   1. Managers have a wide span of control.
      经理的职权范围很大。
   2. These forests cover a broad span of latitudes.
      这些森林绵延在多个纬度上。
3. （桥或拱的）墩距，跨距，跨度
   the part of a bridge or an arch between one vertical support and another
   1. The bridge crosses the river in a single span.
      河上的桥为单跨桥。
4. 宽度；翼展
   the width of sth from one side to the other
   1. The kite has a span of 1.5 metres.
      风筝宽1.5米。

verb

1. 持续；贯穿
   to last all through a period of time or to cover the whole of it
   1. His acting career spanned 55 years.
      他的演艺生涯长达55年。
   2. Family photos spanning five generations were stolen.
      一家五代人的照片失窃了。
2. 包括（广大地区）；涵盖（多项内容）
   to include a large area or a lot of things
   1. The operation, which spanned nine countries, resulted in 200 arrests.
      这次行动涉及九个国家，逮捕了200人。
3. 横跨；跨越
   to stretch right across sth, from one side to the other
   1. a series of bridges spanning the river
      架在河上的一系列桥梁

adj.

adj.

现在分词:spanning 过去式:spanned 第三人称单数:spans 名词复数形式:spans 过去分词:spanned 原型:span

1. The plane had a wing span of 34ft and a length of 22ft.
   这架飞机的翼展长34英尺，机身长22英尺。
2. They have extended the potential life span of humanity everywhere.
   世界各地人类的预期寿命均有所延长。
3. The batteries had a life span of six hours
   这些电池的寿命为6小时。
4. Gradually the time span between sessions will increase.
   会议之间的间隔将逐渐延长。
5. His ability to absorb information was astonishing, but his concentration span was short
   他吸收信息的能力令人吃惊，但是他的注意力持续时间很短。
6. Young children have a limited attention span and can't concentrate on one activity for very long.
   小孩子的注意力持续时间十分有限，不能长时间地专注于一个活动。
7. His professional career spanned 16 years
   他的职业生涯持续了16年。
8. The film, spanning almost a quarter-century, tells the story of Henry Hill
   这部时间跨度将近四分之一世纪的影片讲述的是亨利·希尔的故事。
9. Lining a corridor is a wall of photographs spanning his rugby days.
   走廊的一面墙上贴满了他橄榄球生涯里各个时期的照片。
10. Bernstein's compositions spanned all aspects of music, from symphonies to musicals.
    伯恩斯坦创作的乐曲涉及了从交响乐到音乐剧等音乐的各个方面。
11. It is a very pretty butterfly, with a 2 inch wing span
    这是一只非常美丽的蝴蝶，翼展2英寸。
12. It may be that you are unaware of where your hip joint is; it is not at the waist but a good hand span below it.
    这也许是因为你并不晓得髋关节的位置，它不在腰部，而是位于腰部以下一手拃宽处。
13. Travellers get from one side to the other by walking across a footbridge that spans a little stream.
    游客通过一座横跨小溪的步行桥从一边来到另一边。
14. Architects tell their clients that floors can span 100 metres without any visible means of support.
    建筑师告诉他们的客户，在没有任何有形支撑物的情况下，楼板可以延伸100米。
15. The apartment was spick and span.
    公寓非常整洁。
16. When the bird lifts off into flight, its wings unfold to an impressive six-foot span.
    这种鸟起飞时，翼展可达6英尺，很惊人。
17. Many bridges span the Thames.
    很多桥横亘在泰晤士河上。
18. The time span of one human life covers at most a hundred years.
    人生的跨度充其量百年而已。
19. The computer has been in use for many years, far beyond its guaranteed life span.
    这台电脑已超期使用多年。
20. A project may encompass one or more applications, and it may span one or more releases.
    一个项目可能包括一个或者更多的应用软件，也可能跨越一个或者更多的发布。
21. The importance of this life span process and its influence on the management of the project cannot be overemphasized.
    不能过分的强调生命周期过程的重要性和它在项目管理中的影响。
22. Parameter analysis and comparison, given static wind affect the stability of long span cable-stayed bridge main parameters.
    参数分析与比较，给出影响大跨径斜拉桥静风稳定性的主要参数。
23. Elastic theory is applicable to the design and calculation of medium span self anchored suspension bridges.
    弹性理论适合于中小跨度的自锚式悬索桥的设计和计算。
24. I extend the span of my life to live here and there at the same time.
    我将我生命的跨度拉长，同时活在这里和那里。
25. Cells within the table can also span multiple columns.
    表中的单元也可以跨越多列。
26. The design of these large span-to-height ratio and large span secondary floor beams is presented.
    介绍了该大跨高比且大跨度楼面次梁的设计。
27. More investment in maintenance and less in reproduction results in an increase in life span.
    而对繁殖投入的减少将导致对维持的投入增加，这就导致了寿命延长。
28. Which bridge has the longest span in the world?
    世界上哪座桥的跨度最大。
29. This span, which is larger than the clear span, is used in the design of the girders.
    在一出大型舞剧中挑大梁这种跨度用于大梁设计中，它大于净跨。
30. The simplest type of span is a beam bridge, consisting of a rigid beam between tow supports.
    最简单的桥梁是梁桥，由钢性梁和两端的两个支柱构成。