span

[spæn]

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.[C]

1. 墩距; 跨度

2. 一段时间

Over a short span of three years a surprising amount has been achieved.

在短短三年时间里, 已经取得了惊人的成绩。

3. 指距, 一叉宽(合九英寸)

4. 全长

5. 【空】翼展

6. 【美】共轭马, 共轭骡

vt.

1. (桥、拱等)横跨, 跨越

A bridge spanned the river.

一桥横跨该河。

2. 在……架桥; 在……上建拱门

3. 以指距量; 测量

4. 用手环绕

5. 持续, 包括, 延伸到

词形变化

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 |

词义辨析

同义:

n.桥

bridge  viaduct

n.间隔; 距离

period  interval  spell

n.全长; 径距

distance  extent  reach  stretch  measure  expanse  

同义参见:

width  extension  bridge  breadth  flight  year  run  bridge  universe  latitude  sheet  length  

英英释义

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

补充

spanspan英:[spæn] 美:[spæn]n.1.跨度, 跨径The bridge has a span of 100 metres.这座桥跨度为一百米。2.两个界限间的距离3.一段时间The pupil's attention span was short.这个小学生的注意力持续时间很短。vt.1.建造跨越(某物的)桥或拱; 横跨2.跨越, 穿越, 贯穿

例句

1. Some eagles have a wing span of one and a half metres.有些鹰的翼展可达一米半。 2. The butterfly has a 2 inch wing span.这只蝴蝶的翼展有两英寸。 3. the main arch span主拱的跨度 4. The battery has a life span of six hours.电池的寿命是6小时。 5. Gradually the time span between sessions will increase.会议之间的间隔将逐渐延长。 6. during the forty-year span from 1913 to 1953从1913年到1953年的40年间 7. His ability to absorb information was astonishing, but his concentration span was short.他吸收信息的能力非常惊人, 但他保持专注的时间很短。 8. 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。 9. a span in length一搾长 10. a span of oxen共轭牛 11. the humped iron bridge spanning the railway横跨铁路的铁拱桥 12. a long lake spanned by a high, iron bridge架有很高的铁桥的一座长长的湖 13. She had a career spanning more than half a century.她的事业持续了半个多世纪。 14. His professional career spanned 16 years.他的职业生涯长达16年。 15. a remarkable man whose interests spanned almost every aspect of nature一名兴趣广泛、几乎所有自然科学领域都有涉猎的杰出男性 16. to span the table to see how long it is用拃丈量桌子，看有多长 17. a chain bridge spanned over River Dee横跨迪河的铁索桥 18. They spanned windows with bricks.他们在窗子上用砖砌了拱顶。 19. His research in cancer that spanned 15 years has made considerable headway in the end.他对癌症持续15年的研究终于取得了极大的进展。 20. to span all postal articles包括各种邮品 21. a warehouse with a clear span of 28 feet.一个占地整整28英尺的仓库。 22. a short concentration span.短期的集中时间段。 23. the stream was spanned by a narrow bridge.一座窄窄的小桥横跨在小河上。 24. their interests span almost all the conventional disciplines.他们的兴趣覆盖了几乎所有的传统科目。 25. her waist was slender enough for him to span with his hands.她的腰肢纤细，他用双手就可以环绕过来。 26. thanks a span.多谢了。 27. he spanned his donkeys to the cart.他把驴子套在大车上。 28. the wingspan of a bird鸟的翼展 29. Young children have a short attention span.小孩子不能长时间集中精神。 30. a 25-year span*25年的时间跨度 31. a brief time span短暂的时间跨度 32. a brief span of time短暂的时间跨度 33. The symphonies were composed over a span of eight years.创作这支交响乐用了八年的时间。 34. I received two job offers within the span of a week.在一个星期内我接到了两份工作的聘用信。 35. the span of his shoulders他的肩宽 36. It's a span of a few hundred miles to cross the state.跨越这个州要走几百英里。 37. His career as a singer spanned three decades.他当了三十年的职业歌手。 38. Their empire once spanned several continents.他们的帝国曾横跨好几个大陆。 39. Her academic interests span a wide variety of topics.她的学术兴趣广泛。 40. A bridge spans the river.一座桥横跨河流。