spans
[spænz]

n.

跨度( span的名词复数 )；持续时间；一段时间；（五指张开时的）指距

双语释义

n.(名词)

1. [C] 跨度,跨径 distance or part between the supports of an arch or a bridge
2. [C] 两个界限间的距离 a stretch between two thing, especially in time; period
3. [C] 一段时间 a length of time over which the stated thing continues or works well

英英释义

span[ spænz ]

• n.
  • the complete duration of something

    "the job was finished in the span of an hour"

  • the distance or interval between two points
  • two items of the same kind

    同义词：couplepairtwosometwainbraceyokecoupletdistichduoduetdyadduad

  • a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
  • a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.

    同义词：bridge

  • the act of sitting or standing astride

    同义词：straddle

• v.to cover or extend over an area or time period

  "The parking lot spans 3 acres"; "The novel spans three centuries"

  同义词：crosstraversesweep

词汇搭配

用作名词 (n.)动词+～

• have a span of有…长〔宽〕
• lengthen〔shorten〕 the span延长〔缩短〕时间
• widen the span of knowledge扩大知识面

形容词+～

• brief〔short〕 span短暂的时间
• whole span全长

名词+～

• attention span注意力持续集中的时间
• life span寿命
• memory span记忆持续时间

介词+～

• measure by spans用指距来量
• in a span在一段时间中
• 100 feet in span跨距一百英尺
• bridge of three spans三孔桥
• over a span of在…之中

～+介词

• span of a bridge桥的跨度
• span of knowledge知识面
• span of life寿命
• span of memory记忆的广度
• span of ten years十年的时间

词组短语

life span寿命；使用期限

long span长跨度

time span时间跨度

span length跨度距离；杆间距离

attention span注意广度；注意力的持续时间

long span bridge长跨桥；大跨径桥

single span单跨；单孔

bridge span桥跨

spick and span崭新的，极干净的

memory span记忆广度；存储器容量

digit span数字广度

clear span净跨；净孔；净翼展

wing span翼展；翼层

更多收起词组短语

双语例句

用作名词(n.)

1. Modern medicine has increased man's life span.
   现代医学延长了人的寿命。
2. He has settled here for a long span of time.
   他已经在这儿定居很长一段时间了。
3. The arch has a span of 60 meters.
   拱门的跨度为60米。
4. The spider has a leg span of 3 inches.
   这个蜘蛛的腿的长度为3英寸。
5. The clear span of a bridge is the gap from the near edge of the next.
   桥梁的净跨，是自一个桥墩的近侧边到相邻桥墩近侧边之间的间距。

用作及物动词(vt.)

1. The shipwrecks span nearly a century.
   这些船只残骸已有近百年历史。
2. Little bridges span the canals.
   小型的桥梁横跨在运河之上。
3. The gloom spans the whole novel.
   阴郁的气氛贯穿着整部小说。
4. His knowledge spans many different areas.
   他的知识遍及许多领域。
5. Imagination will span the gaps in our knowledge.
   想像力会弥补我们知识的不足。

权威例句

The Ecology of Leaf Life Spans
Inflammatory exposure and historical changes in human life-spans.
ecology of leaf life spans
Time constraints and resource sharing in adults' working memory spans
The major resistance gene cluster in lettuce is highly duplicated and spans several megabases
Automatic identification of cited text spans: a multi-classifier approach over imbalanced dataset
Hadza Women's Time Allocation, Offspring Provisioning, and the Evolution of Long Postmenopausal Life Spans
Isogeometric analysis: CAD, finite elements, NURBS, exact geometry and mesh refinement
Beyond local search: boundary‐spanning, exploration, and impact in the optical disk industry
Coupled cluster theory for high spin, open shell reference wave functions