n. a mutually agreed delay in the date set for the completion of a job or payment of a debt
n. act of expanding in scope; making more widely available
n. an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
n. act of stretching or straightening out a flexed limb
n. 延长, 扩充, 范围, 扩展名
a. 伸缩的
[计] 扩展名, 扩充名
1. I need an extension on my homework deadline.
我需要我的作业截止日期的延期。
2. The phone company offered an extension for my contract.
电话公司为我的合同提供了延期。
3. She added an extension to her house for extra space.
她在她的房子上加建了一个扩展部分以增加空间。