span是什么意思 span怎么读
英式：[spæn]
美式：[spæn]
CET4、TEM4、IELTS、GRE、考 研、TOEFL、CET6
span单词基本解析：
n.持续时间，间隔; 跨度，墩距; 范围v.持续; 横跨，跨越; 包括，涵盖n.时期, 跨度, 间距 vt.延续, 横跨, 贯穿, 遍及, 弥补 动词spin的过去式形式n.共轭动物
n.共轭（马、骡）；跨度，墩距；一段时间；[航] 跨绳
span变化用词：
复数:spans;第三人称单数:spans;过去式:spanned;过去分词:spanned;现在分词:spanning;动词过去式: spanned | 动词过去分词: spanned | 动词现在分词: spanning | 动词第三人称单数: spans |
复数：spans过去式：spanned过去分词：spanned现在分词：spanning第三人称单数：spans
span英英释义：
Noun1. the complete duration of something;
"the job was finished in the span of an hour"
2. the distance or interval between two points
3. two items of the same kind
4. a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
5. a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
6. the act of sitting or standing astride
名词 span:
the complete duration of something
the distance or interval between two points
two items of the same kind
同义词：couple, pair, twosome, twain, brace, yoke, couplet, distich, duo, duet, dyad, duad
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
动词 span:
to cover or extend over an area or time period
同义词：cross, traverse, sweep
span[ /spæn/ ]n.the complete duration of something"the job was finished in the span of an hour"
the distance or interval between two pointstwo 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
span中文词源：
span 拃，跨度，跨距，范围，持续时间，扎牢，缚住 来自古英语 span,拃，张开大拇指和小拇指的距离，来自动词 spannan,张开，展开，绑定， 连接，来自 Proto-Germanic*spannan,张开，拉开，来自 PIE*spen,张开，拉开，悬挂，词源同 pendulum,depend.引申诸相关词义。span用法和例句：
I worked with him over a span of six years.
我和他共事达六年之久。
The project must be completed within a specific time span .
这项工程必须在规定期限内完成。
Small children have a short attention span .
幼儿注意力持续时间短。
Managers have a wide span of control.
经理的职权范围很大。
These forests cover a broad span of latitudes.
这些森林绵延在多个纬度上。
The bridge crosses the river in a single span.
河上的桥为单跨桥。
The kite has a span of 1.5 metres.
风筝宽1.5米。
His acting career spanned 55 years.
他的演艺生涯长达55年。
Family photos spanning five generations were stolen.
一家五代人的照片失窃了。
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。
a series of bridges spanning the river
架在河上的一系列桥梁
The batteries had a life span of six hours...
这些电池的寿命为 6 小时。
Gradually the time span between sessions will increase.
会议之间的间隔将逐渐延长。
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。
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。
His professional career spanned 16 years...
他的职业生涯持续了 16 年。
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。
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。
...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
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。
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。
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。
...the humped iron bridge spanning the railway...
横越铁路的铁拱桥
Hole Crossing River, no water based, similar bridges span ranks first in the world.
单孔跨江, 无水下基础, 跨度雄居世界同类桥梁首位.
The upper bound of life span for the solution was obtained.
得到了解的爆破时间跨度的上界.
This article introduced several factors that affect the life span of HPLC column.
介绍了影响色谱柱使用寿命的几个因素,探讨了色谱柱规范化管理和保养的经验.
The cablestayed bridges may penetrate the complete range of span now dominated by suspension bridges.
这种斜拉桥可以进入目前悬索桥占统治地位的跨径范围.
辞典例句
SPAN and TIMS are currently the most popular margin systems in the world.
目前国际上各交易所广泛使用的两大保证金系统是SPAN系统和TIMS系统.
span
"We'll be able to look at millimetre movements over the time span of a year.
"我们将会可以 察觉在一年的时间里指距上的毫米运动.
The rows and columns of A span FF n.
'与单位矩阵行（列）等价。
DVM should move millivolt span.
DVM要调到毫伏量程。
NetWare allows you to have volumes that span two or more hard disks.
NetWare允许您的卷跨两个或多个硬盘。
Sqlcmd supports scripts that have strings that span multiple lines.
sqlcmd支持包含跨多行的字符串的脚本。
She-she is a good little worker, your grandma, yeah, spick and span.
[她...她是一个不错的小工，你的祖母嗯，干干净净
A span of one thousand years.
一千年一千年的时间千禧年
The upper level is a separate white cube, cantilevering over a big span.
上层是个单独的白色立方体旋臂，左右跨幅大。
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上海汽车及电动车配件制造（展示图三）2007-10-30
P style="LINE-HEIGHT: 180%"> Foursquare, double, of the measure of a span. 做的胸牌是方形的，双层，一拃长，一拃宽。 Other recent first ladies also showcased American clothing (Paula Span). 其他几位近期的第一夫人也展示了美国服装（波拉 斯班）。 With decimal point, span, range and digit zero setting function. 具有小数点设定、比率、量程及零点调整功能。 Distributed transactions span two or more servers known as resource managers. 分布式事务跨越两个或多个称为资源管理器的服务器。 This includes zero output current drift, span drift, and nonlinearity. 包含有零输出电流漂移、跨度漂移和非线性。 Hinduism prescribes 16 ceremonies to mark each major stage in one's life span. 印度教规定了16个仪式来表明人一生中的重要阶段。 Conversely , general acceptance can sometimes span national and tribal borders. 反之，有时能够跨越民族和部落的界限而被普遍接受。 This span of time delineates the epoch of planet formation. 另一个可能是，行星也许在恒星上引起潮汐涨落，恒星因而对行星轨道施加力矩，阻止它前进。 He tried to span the gap six times. 可以判断,他又试了一次,终于成功了。 Each span has twelve finger-breadths. 各自的跨距拥有十二个手指宽度。 It just tells the time span of the use of a shape. 呵呵！这只说明了一个形制的源用性的时间跨度问题。 Harry always makes sure he looks spick and span before he goes to meet anyone. 哈里出去会见任何人前总是确保自己看上去整洁干净。 Review of Guide to Good Practice (including Span Table)? 回顾施工指南(包括跨度表) How would you determine the best span of management in a given situation? 在已知的条件下，你应如何确定最佳的管辖幅度? Her transformation in the four-year span of the story is masterful. 在影片中，她在四年间所发生的转变是那样的精彩。 Is created or modified in a specific time span. 在特定的时间范围内创建或修改。 Draw on the limitless wisdom during the short span of youth. 在短暂的青春中用无限的智慧描绘蓝图。 Over a short span of three years a surprise amount has been achieved. 在短短三年时间里，已经取得了惊人的成绩。 My attention span, in romane, was theat of a tick on a hot rock. 在罗马，我的注意力受到了威胁，就像在火热的岩石上被震了一下。 A pointed arch drawn from two centers within the span. 在跨度内有两个中心点，连接两个中心点的是弧度突出的拱。 Emily is a Londoner born and bred and, for a woman some years past the allotted span, of a truly remarkable vigour and alertness. 埃米莉生在伦敦长在伦敦，虽已年逾古稀，但实在令人惊讶的是，她仍精力充沛，耳聪目明。 Eating more fruit can extend your life span. 多吃水果能延年益寿。 The main span is 1,377 metres. 大桥跨度1377米。 Approximately one-third of the span from the pier may be erected by the free cantilever method. 大约三分之一的跨长可以由一个桥墩起靠自由悬臂的方法向前架设。 Large span double box-beam rod structure is born out of BSS. 大跨度双箱梁钢棒拉杆组合钢结构即脱胎于张弦梁结构。 The dome structure has unique advantage among the large span structures. 大跨度结构中,穹顶结构有着独特的优越性。 O'Neal was one of nine Bengals arrested during a nine-month span. 奥尼尔的场外行为更使其处境雪上加霜。 She always keeps her kitchen spick and span. 她总是把厨房收拾得干干净净的。 Everything in her house is always spick and span. 她房间的东西都井井有条、干净整洁。 She span on a spinning wheel. 她用纺车纺纱。 What determines the span of management and the levels of organization? 如何确定管辖幅度和组织阶层? The life span of the people of Ningxia has increased to 69 from 30 before 1949. 宁夏人均寿命由1949年前的只有30岁左右,增加到目前的69岁。 The span of wavelength is 0.6 nm,and output power is 8 dBm. 室温下,相关实验获得激光双波长间隔0.6 nm,输出功率8 dBm。 The attention span of a computer is only as long as its electrical cord. 对于电脑的关注程度只是和它的电缆一样长。 That was not an immensely difficult time span for the rest of us. 对我们其他人来说，这并不是极其困难的一段时间。 LIFE SPAN Narwhals maximum life span is about 50 years. 寿命:独角鲸的最大寿命大约为50年。 Copies the indicated span of text to the clipboard and deletes it. 将指示范围的文本复制到剪贴板，并删除文本。 With this protection your time span in the hells can be shortened. 就是堕地狱也很快就出来了。 The job was finished in the span of an hour. 工作在一个小时内完成。 Working Memory Span: Resource Constraint, Memory Decay or Switching Mechanism? 工作记忆广度:资源限制、记忆消退还是转换机制? Small children have a short attention span. 幼儿注意力持续时间短。 Small children have a very short attention span. 幼儿的注意力持续时间很短。 The bed had been made,fresh towels were in the bathroom and everything was spick and span. 床已铺好，新毛巾放在浴室里，样样东西都是干干净净的。 No specific regulation for the time span from ground to accident spot. 应急响应时间未作具体规定。 And built a bridge to span the tide. 开始建造跨越潮水的大桥。 Many bridges span the Thames. 很多桥横亘在泰晤士河上。 Modern medicine has increased man's life span. He has settled here for a long span of time. The arch has a span of 60 meters. The spider has a leg span of 3 inches. The clear span of a bridge is the gap from the near edge of the next. The shipwrecks span nearly a century. Little bridges span the canals. The gloom spans the whole novel. His knowledge spans many different areas. Imagination will span the gaps in our knowledge.
现代医学延长了人的寿命。
他已经在这儿定居很长一段时间了。
拱门的跨度为60米。
这个蜘蛛的腿的长度为3英寸。
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。
这些船只残骸已有近百年历史。
小型的桥梁横跨在运河之上。
阴郁的气氛贯穿着整部小说。
他的知识遍及许多领域。
想像力会弥补我们知识的不足。