作为英语老师，我会从以下五个方面展开说明“extended”这个单词或缩写词：
1.定义
“Extended”一般指向某物或行为的延伸或扩展。在不同的语境中，这个词可能具有不同的含义和用法，例如在商业领域中，它可以指延长某个服务的期限。
2.用法
“Extended”可以用作形容词或动词，具体用法视情况而定。作为形容词，它通常用于描述某种状态的延续或扩大。作为动词，它通常用于描述延长某个服务的时间或期限。
3.同义词
在某些情况下，我们可以使用一些同义词来代替“extended”，这些词包括：prolonged, expanded, prolonged, lengthened等等。
4.常见搭配
“Extended”常用搭配包括：extended family（大家族），extended warranty（延长保修），extended leave（长期休假），extended deadline（延长截止日期）等等。
5.例句
1. Our company offers an extended warranty on all products. 我们公司为所有产品提供延长保修。
2. The teacher gave the students an extended deadline for the project.老师给学生们延长了毕业设计的截止日期。
3. The extended family of twelve members gathered for the holiday feast. 这个由十二个人组成的大家庭聚集在一起进行节日盛宴。
4. The company has decided to extend the product line to meet customer demands. 公司决定扩展产品线，以满足客户的需求。
5. The visit to the museum was extended due to the unexpected crowd. 由于意外的人群，参观博物馆的时间被延长了。
extended的中文翻译：延长的，扩展的
extended的读音：/?k?stend?d/
extended的例句：
1. The deadline for the project has been extended by two weeks. (项目的截止日期已经延长了两周。)
2. The company plans to conduct an extended market research to better understand customers’ needs. (公司计划进行一项扩展的市场研究，以更好地了解客户的需求。)
3. The extended version of the movie includes additional scenes that were not in the theatrical release. (电影的扩展版包括一些在戏院首映时没有的额外场景。)
4. She took an extended break from work to travel around the world. (她休了一个较长的假期，去环游世界。)
5. The teacher gave the students an extended ignment that required more research and ysis. (老师给学生们布置了一个扩展作业，需要更多的研究和分析。)
extended的中文解释是”展期的、扩大”，在日常中也代表”伸出的”的意思，读音为[ik’stendid]，extended来源于英语，在《郎文当代中级英语辞典》中，共找到37个与extended相关的例句。
1.展期的
例句:I extended father Peyton all kinds of courtesies, and even gave him television tapes (我礼貌地帮助佩顿神父， I extended father Peyton all kinds of courtesies, 甚至给了他电视录像带 and even gave him television tapes)
2.扩大
例句:Extended family wants a locate. (远房亲戚想找她 Extended family wants a locate.)
3.伸出的
例句:Hospitals were already fully extended because of the epidemic. (这场流行病已使各医院以最大负荷运转。)
4.延伸、伸出的
例句:Convergence of a Modified SLP Algorithm for the Extended Linear Complementarity Problem (翻译:广义线性互补问题的改进SLP算法及收敛性)
extended一般作为形容词、动词使用，如在extended to([网络] 延长到期日；延展至；督导主任)、extended addressing([计] 扩展寻址)、extended aeration([化] 延时曝气)等常见短语中出现较多。
extended to[网络] 延长到期日；延展至；督导主任extended addressing[计] 扩展寻址extended aeration[化] 延时曝气extended algol延伸 ALGOL 语言extended allometry扩大异速生长extended alphabet[计] 扩充字母表, 转义字母表extended antenna加长天线extended aperture外展纹孔口extended application扩展应用; 扩大使用1. Hospitals were already fully extended because of the epidemic. (翻译:这场流行病已使各医院以最大负荷运转。)
2. Convergence of a Modified SLP Algorithm for the Extended Linear Complementarity Problem (翻译:广义线性互补问题的改进SLP算法及收敛性)
3. Discuses hand and extended. (翻译:来吧，同志们 拿起拐棍，按原来的次序跟着我)
4. In May, this program was extended to Hartheim and in June at Sonnenstein. (翻译:xx月，该计划扩大到了哈特汉 而xx月则到了宗纳施坦)
5. Observation of effects of McAbs extended our knowledge about DAF . (翻译:单抗功能的研究扩展了对DAF 功能活性特点的认识。)
6. The waistcoat also extended to the knee, and was of rich brocades. (翻译:背心长度并且延伸到膝盖，上面并有著丰富多样的样式。)
7. The driveline life is extended by the electronic control. (翻译:传动系寿命可通过电子控制得到提高。)
8. This principle can be extended to other angularity error evaluation. (翻译:文中的评定原理可扩展到其他倾斜度误差的评定。)
9. Also, we had to make a report on our extended “visited” members, that is, extended members of the family, sick and elderly, shut in. (翻译:同样，我们还必须向我们的家族的客人报告一下。那就是，家庭的扩展成员， 那些无法外出的病人和年长的人。)
10. Its catchment area extended to the mountains around Seoul. (翻译:运河蓄水区一直延伸到了首尔周围的山区。)
11. Our lease is running out and we have to get it extended. (翻译:我们的租约年底就到期了 得想办法续约才行 Our lease is running out and we have to get it extended.)
12. Also, I extended wrinkles to the cheekbone areas. (翻译:此外，我延长皱纹到颧骨地区。)
13. This despot has been extended to children born old. (翻译:这种霸气一直延续到孩子出生几岁。)
14. With your foil extended, kick your front leg up and push off with your back leg. (翻译:剑伸出去 With your foil extended, 前腿踢起后腿用力身体前移 kick your front leg up and push off with your back leg.)
15. 97% certain sure I just heard an extended zipper pull. (翻译:我有97%的把握 我听到了很长拉链声 97% certain sure I just heard an extended zipper pull.)
extended作为形容词、动词的时候，其近义词以及反义词有0、extend/1、dp等。
