时间: 2025-04-26 21:21:08
美: [ɪk'stɛnd]
英: [ɪk'stend; ek-]
vt. 延伸；扩大；推广；伸出；给予；使竭尽全力；对…估价
vi. 延伸；扩大；伸展；使疏开
最后更新时间:2025-04-26 21:21:08
词源分析：Extend源自拉丁语“extendere”，由“ex-”（向外）和“tendere”（拉伸）组成。这个构词方式表明了其基本动作，即向外拉伸或扩展。
历史背景：Extend首次在英语中出现于14世纪，主要用于描述物理上的延伸，后来逐渐应用于抽象概念的扩展。
课本：
正式与非正式语境：
特殊场合：在法律文件中，extend常用于指代延长合同或协议的有效期。
We need to extend the meeting to cover all the topics.
我们需要延长会议时间以涵盖所有主题。
The company decided to extend its service hours.
公司决定延长服务时间。
She extended her hand for a handshake.
她伸出手来握手。
The university has extended the application deadline.
大学已延长申请截止日期。
They extended their trip to include more sightseeing.
他们延长了旅行以包括更多的观光。
*. This feature will extend the life of the product.
这个功能将延长产品的使用寿命。
Can we extend our conversation to next week?
我们可以把谈话延续到下周吗？
The author plans to extend the book into a series.
作者计划将这本书扩展为系列作品。
We should extend our gratitude to all who helped.
我们应该对所有帮助我们的人表示感谢。
The park has extended its walking trails.
公园已扩展了步道。
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以上是对单词“extend”的详细分析与学方法，希望对您的学有所帮助！
[V-I] If you say that something, usually something large, extends for a particular distance or extends from one place to another, you are indicating its size or position. 延伸
例：The caves extend for some 12 miles.这些洞穴延伸约12英里。
例：The main stem will extend to around 12 ft, if left to develop naturally.如果让其自然生长，主干会延伸到12英尺左右。
[V-I] If an object extends from a surface or place, it sticks out from it. 伸出; 凸出
例：A table extended from the front of her desk to create a T-shaped seating arrangement.一张桌子从她的办公桌前端伸出，形成T型的座位排列。
[V-I] If an event or activity extends over a period of time, it continues for that time. 持续
例：The normal cyclone season extends from December to April.正常的飓风季节从12月持续到4月。
[V-I] If something extends to a group of people, things, or activities, it includes or affects them. 包括; 涉及
例：The service also extends to wrapping and delivering gifts.这项服务还包括包装及递送礼物。
例：The talks will extend to the church, human rights groups, and other social organizations.这些会谈将涉及教会、人权组织和其他的社会组织。
[V-T] If you extend something, you make it longer or bigger. 延长; 扩大
例：This year they have introduced three new products to extend their range.今年他们已引入了3种新产品以扩大他们的范围。
例：The building was extended in 1500.该建筑于1500年扩建。
[V-I] If a piece of equipment or furniture extends, its length can be increased. 能伸展
例：...a table that extends to accommodate extra guests.…一张能伸展以容纳更多客人的桌子。
[V-T] If you extend something, you make it last longer than before or end at a later date. 延长期限
例：They have extended the deadline by twenty-four hours.他们已经将最后期限延长了24小时。
[V-T] If you extend something to other people or things, you make it include or affect more people or things. 扩延 (到其他人或物)
例：It might be possible to extend the technique to other crop plants.把该技术扩延到其它农作物上也许是可能的。
[V-T] If someone extends their hand, they stretch out their arm and hand to shake hands with someone. 伸出
例：The man extended his hand: "I'm Chuck."这位男士伸出了他的手：“我是查克。”