span中文什么意思

n.
1.一?〔手指张开时，拇指尖至小指尖的长度，通常九英寸〕。
2.(常有短的涵义的)一段时间；很小的间隔；片刻，顷刻。
3.广度，全长，从一头到一头。
+更多解释...4.跨度；(桥礅间的)礅距。
5.【航空】翼展；(气流)宽度。
6.【航海】跨绳。
短语和例子
the span of a man's life 一个人的一生。 the whole span of English history 英国历史的全程。 the span of memory 记忆所及。vt.
(-nn-)
1.(用拇指和小指)?，用?量。
2.(眼睛)观测，看到。
3.(记忆等)到，及。
4.横跨，跨越，(桥)跨(在河上)，架(桥在河上)弥补。
5.【航海】绑住，系住。vi.
(在水中)时浮时沉地向前游泳；(尺蠖)段段移进。 His political life spans half a century. 他的政治生涯长达半个世纪。 Imagination will span the gap in our knowledge. 想像会弥补知识的不足。 Over there is a small stream spanned by a wooden bridge. 那边有一条架着木桥的小溪。n.
〔美，南非〕一对共轭牛，共轭马。vt.
(把两头牲畜)并排套在车上。
span1
〔古语〕 spin 的过去式。

• a span of:    一段（时间）
• span by span method:    移动支架逐跨施工法; 逐跨工法
• abutment span:    岸墩距; 边跨; 近岸跨

例句与用法

更多例句：  下一页

1. His knowledge spans many different areas .
   他的知识遍及许多不同领域。
2. The river thames is spanned by many bridges .
   泰晤士河上有很多桥。
3. A steel railway bridge spans the yalu river .
   鸭绿江上有一座钢铁大桥。
4. Normal cells show a finite life span .
   正常细胞显示有限的生命期。

英文释义

名词

1. the act of sitting or standing astride
   同义词：straddle
2. a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
   同义词：bridge
3. the distance or interval between two points
4. a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
5. two items of the same kind
   同义词：couple, pair, twosome, twain, brace, yoke, couplet, distich, duo, duet, dyad, duad
6. the complete duration of something; "the job was finished in the span of an hour"

动词

1. to cover or extend over an area or time period; "Rivers traverse the valley floor", "The parking lot spans 3 acres"; "The novel spans three centuries"
   同义词：cross, traverse, sweep