span

英 [spæn]

美 [spæn]

n.  持续时间; 范围; 包括的种类; (桥或拱的)墩距，跨距，跨度
v.  持续; 贯穿; 包括(广大地区); 涵盖(多项内容); 横跨; 跨越

现在分词：spanning　过去式：spanned　第三人称单数：spans　复数：spans　过去分词：spanned　

CET4CET6考研TOEFLIELTSGRETEM4TEM8

Collins.2 / BNC.6903 / COCA.5718

习惯用语

adj.

spick and span
• 整洁干净；清清爽爽
  neat and clean
• Their house is always spick and span.
  他们家总是收拾得清清爽爽。

牛津词典

noun

• 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。
• 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。
• （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。
• 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

• 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。
• 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。
• 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.

柯林斯词典

• N-COUNT 间隔;期间
  Aspanis the period of time between two dates or events during which something exists, functions, or happens.
  1. The batteries had a life span of six hours...
     这些电池的寿命为 6 小时。
  2. Gradually the time span between sessions will increase.
     会议之间的间隔将逐渐延长。
• N-COUNT (注意力的)持续时间
  Your concentrationspanor your attentionspanis the length of time you are able to concentrate on something or be interested in it.
  1. 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。
  2. 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。
• VERB 持续;跨越;贯穿
  If somethingspansa long period of time, it lasts throughout that period of time or relates to that whole period of time.
  1. His professional career spanned 16 years...
     他的职业生涯持续了 16 年。
  2. 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。
  3. 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。
• VERB 包括;遍及
  If somethingspansa range of things, all those things are included in it.
  1. 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。
  2. ...a remarkable man whose interests spanned almost every aspect of nature.
     一个兴趣广泛、几乎涉猎了自然学科所有领域的杰出男性
• N-COUNT 宽度;宽幅
  Thespanof something that extends or is spread out sideways is the total width of it from one end to the other.
  1. 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。
  2. 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。
• VERB (桥等建筑物)横跨，跨越
  A bridge or other structure thatspanssomething such as a river or a valley stretches right across it.
  1. 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。
  2. ...the humped iron bridge spanning the railway...
     横越铁路的铁拱桥
  3. 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。
• See also:spick and span

英英释义

noun

• the act of sitting or standing astride
  Synonym:straddle
• a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
  Synonym:bridge
• the distance or interval between two points
• a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
• two items of the same kind
  Synonym:couplepairtwosometwainbraceyokecoupletdistichduoduetdyadduad
• the complete duration of something
  1. the job was finished in the span of an hour

verb

• to cover or extend over an area or time period
  1. Rivers traverse the valley floor
  2. The parking lot spans 3 acres
  3. The novel spans three centuries
  Synonym:crosstraversesweep

双语例句

• 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。
• Which bridge has the longest span in the world?
  世界上哪座桥的跨度最大。
• 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。
• 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。
• 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。
• Many bridges span the Thames.
  很多桥横亘在泰晤士河上。
• 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。
• 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。
• 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。
• 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。