span

span读音音标

英 [spæn]

美 [spæn]

span意思解释

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

变形

复数：spans

过去式：spanned

过去分词：spanned

现在分词：spanning

第三人称单数：spans

双语释义

n.(名词)

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

英英释义

span

[ /spæn/ ]

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

同近义词辨析

territory, scope, range, span

territory

领土（的范围）

scope

（处理、研究事物的）范围

range

（种类或变化的）限度，范围，幅度，程度；视力或听力所达到的距离，声音所能传送的距离；（枪、炮、导弹等的）射程

span

跨度，跨径；（某事物）自始至终的持续时间或期间

双语例句

用作名词(n.)Modern medicine has increased man\'s life span.现代医学延长了人的寿命。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。The arch has a span of 60 meters.拱门的跨度为60米。The spider has a leg span of 3 inches.这个蜘蛛的腿的长度为3英寸。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.)The shipwrecks span nearly a century.这些船只残骸已有近百年历史。Little bridges span the canals.小型的桥梁横跨在运河之上。The gloom spans the whole novel.阴郁的气氛贯穿着整部小说。His knowledge spans many different areas.他的知识遍及许多领域。Imagination will span the gaps in our knowledge.想像力会弥补我们知识的不足。