ex
ten
sion
复数形式
extensions
1
a mutually agreed delay in the deadline for completing a task or paying a debt
- The contractor requested an extension for finishing the project.
- The bank granted an extension on the loan repayment.
- Students could apply for an extension on their assignments.
- The agreement included a one-week extension.
- Legal filings were allowed an extension due to unforeseen circumstances.
2
the act of expanding in scope, range, or availability
- The company planned an extension of its product line.
- Extension of internet coverage reached rural areas.
- They approved the extension of library services to the community.
- The museum organized an extension of its exhibition to a neighboring city.
- Government programs saw an extension to new sectors.
3
the spreading of an idea, practice, or belief into new regions or areas
- The extension of democracy reshaped the region.
- Religious extensions influenced local customs.
- Agricultural extension programs introduced new farming methods.
- The language's extension followed trade routes.
- The movement's extension altered social norms.
同义词：
4
educational programs provided by colleges or universities to non-regular students
Extension in an educational context refers to a program offered by universities or colleges that allows individuals to continue their studies on a part-time basis. It is designed for people who may not be able to commit to a full-time academic schedule, such as working professionals or those with other obligations. These programs often offer more flexible hours, allowing students to complete courses or degrees at their own pace while still receiving academic support. Extension programs aim to make education more accessible to a broader range of students.
- She enrolled in a university extension course in creative writing.
- The extension program offers evening classes for working adults.
- Extension services include workshops, lectures, and certifications.
- Extension students have access to some campus facilities.
- The university's extension division supports lifelong learning.
5
the act of straightening a flexed limb
- Knee extension is essential for walking and running.
- The physiotherapist measured elbow extension during rehabilitation.
- Extension of the wrist improved her range of motion.
- He exercises for spinal extension and posture.
- Extension of the fingers allowed him to grasp objects.
反义词：
6
an addition that increases the size of a building
- They built a rear extension to enlarge the kitchen.
- The office received a two-story extension.
- The school's extension added new classrooms.
- He designed an extension that matched the original architecture.
- The extension included a garage and storage space.
7
延长, 延期
a period of time added to something to prolong it
- The professor granted an extension on the deadline for the research paper due to unforeseen circumstances.
由于 unforeseen circumstances，教授批准了研究论文截止日期的延长。
- The company announced an extension of the sale, allowing customers more time to take advantage of discounted prices.
公司宣布延长销售时间，让客户有更多时间享受折扣价。
- The government approved an extension of the tax filing deadline due to technical issues with the online portal.
由于在线门户的技术问题，政府批准了报税截止日期的延长。
- The landlord agreed to a lease extension, giving the tenants another year in the rental property.
房东同意延长租约，让租户在租赁房产中再住一年。
- The athlete requested an extension of the training camp to further prepare for the upcoming competition.
运动员要求延长训练营的时间，以便为即将到来的比赛做更好的准备。
同义词：
8
分机, 扩展
an extra telephone connected to the main phone line in a house
- She picked up the extension in the bedroom to answer the call while her husband spoke on the main line.
她在卧室拿起分机接听电话，而她的丈夫在主线上说话。
- He dialed the extension to reach his colleague in the neighboring cubicle.
他拨打了分机以联系隔壁隔间的同事。
- They installed a new phone system with multiple extensions to accommodate the growing workforce.
他们安装了一个带有多个分机的新电话系统，以适应不断增长的员工队伍。
- The technician tested the phone lines to ensure each extension was properly connected.
技术人员测试了电话线，以确保每个分机都正确连接。
- The main line was down, so he used his mobile phone to call the office extension instead.
主线断了，所以他改用手机拨打办公室分机。
9
延长, 扩展
an amount that is added to something
- They built an extension on their house to add a new bedroom.
他们在房子上建了一个扩建部分以增加一个新卧室。
- The professor gave me an extension to finish my paper.
教授给了我一个延期来完成我的论文。
- The phone's extension cord reached across the room.
电话的延长线穿过了房间。
- The contract includes a two-year extension option.
合同包括一个两年的延期选项。
10
the ability to lift or raise the working limb high in the air
- The choreographer emphasized high leg extension.
- Leg extension is a key exercise in gymnastics.
- The dancer worked on improving arm extension.
- Extension of the leg during the kick was flawless.
- Gymnasts practice extension to increase flexibility.
11
the set of all objects or entities to which a term or expression correctly applies
- The extension of "bird" includes all creatures classified as birds.
- Mathematicians discuss the extension of a function.
- The word's extension covers only its literal meaning.
- "Fruit" has an extension that includes apples and oranges.
- Linguists analyze the extension of technical terms.
同义词：
12
扩展名
a string of characters that comes after a period in a computer filename, typically indicating the file type or format
- ".pdf" is a common file extension used for documents that preserve formatting across different platforms.
.pdf是一种常见的文件扩展名，用于保留不同平台上文档的格式。
- The ".mp3" extension indicates that the file contains audio data.
.mp3 扩展名表示该文件包含音频数据。
- Understanding file extensions helps users identify compatible software for opening specific files.
理解文件扩展名有助于用户识别用于打开特定文件的兼容软件。
- He renamed the file with a ".txt" extension to make it compatible with different text editors.
他将文件重命名为 .txt 扩展名，以使其与不同的文本编辑器兼容。
- The ".zip" extension compresses files to reduce their size for easier storage and transfer.
.zip 扩展名压缩文件以减小其大小，便于存储和传输。
13
a phone line within a larger system, connected to a central line and assigned its own number
- Please call my extension at the office; it's 214.
- The receptionist transferred the client to the manager's extension.
- Each employee has a unique extension for internal calls.
- The hotel room has a direct extension to the front desk.
- All company extensions are listed in the internal directory.