Span
[ spæn ]
第3级
其它 Other
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;
📝 例句
What determines the span of management and the levels of organization?
如何确定管辖幅度和组织阶层？
A bridge spanned the river.
一桥横跨该河。
Imagination will span the gaps in our knowledge.
想像力会弥补我们知识的不足。
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。
Imagination will span the gap in our knowledge.
想像会弥补知识的不足。
🌱 联想助记
【记】※ pan-平底锅,span-跨度:平底锅有跨度才能放在炉子上
※ sp-拼音“蛇皮”,an-一个:蛇皮每隔一段时间脱落一次
※ s-似“美女”,pan-盘子:美女在测量这个巨大盘子的全长
✅ 同义词
🔤 词根
📖 牛津释义
span
n
1 distance or part between the supports of an arch or a bridge 跨度, 跨径, 跨（拱或桥支撑物之间的距离或部分）
The arch has a span of 60 metres. 那个拱的跨度为60米.
The bridge crosses the river in a single span. 河上那座桥是单跨桥.
2 length of time over which sth lasts or extends from beginning to end （某事物）自始至终的持续时间或期间
the span of life 一生的时间
a short span of time 短暂的一段时间
over a span of six years 六年期间
have a short concentration span, ie be capable of concentrating for only a short period of time 不能长久集中注意力.
3 (dated 旧) distance from the tip of the thumb to the tip of the little finger when the hand is stretched out; about 23 centimetres (9 inches) 乍, 一乍宽（手掌张开时拇指尖与小指尖的距离, 约 23 厘米或 9 英寸）. span (-nn-) v [Tn]
1 form a bridge or arch over (sth); extend across 建造跨越（某物）的桥或拱; 横跨
The river Thames is spanned by many bridges. 泰晤士河上有很多桥.
2 extend over or across (sth); stretchacross 跨越, 穿越（某事物）; 贯穿
(fml 文) His knowledgespans many different areas. 他的知识广博遍及许多领域.
Her life spanned almost the whole of the 19th century. 她的一生几乎经历了整个 19 世纪.
3 stretch one's hand across (sth) in one span 将手指作一乍状跨於（某物）上
Can you span an octave on the piano? 你一乍能按到钢琴的八个键吗? span adj (idm 习语) spick and span => spick.
🎯 考研助记
sp(space空间)+an(一个):一个小空间- 跨度 3个(s)盘 pan摆在一起，形成一段 跨度
🔁 扩展释义
*[spæn]n. 指距, 全长, 跨距, 一段时间, 小范围vt. 以手指测量, 跨越, 架设, 持续【化】 跨度; 跨距【医】 斯潘, 司盘(山梨醇脂肪酸酯,乳化剂和去污剂); 跨距(约九英寸)【经】 幅度
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
You don't keep your word.
你不守信用。
It's bean soup.
蚕豆汤。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。