extension

中文意思

• n. 延长
• n. 扩充
• n. 电话分机
• n. 后缀名
• adj. 伸缩的

英文释义

• 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

词形变化

复数

extensions

例句

1. n. 延长

   The student asked the teacher for an extension on his project deadline.

   这名学生向老师申请延长作业的截止日期。

2. n. 扩充

   The company planned a major extension of its sales network across the country.

   该公司计划在全国范围内对销售网络进行重大扩充。

3. n. 电话分机

   If you want to talk to Mr. Smith, please dial extension 402.

   如果你想和史密斯先生说话，请拨打电话分机 402。

4. n. 后缀名

   When you save the file, make sure it has the correct file extension.

   保存文件时，请确保它具有正确的后缀名。

5. adj. 伸缩的

   He bought an extension ladder to help him clean the second-floor windows.

   他买了一顶伸缩梯，方便打扫二楼的窗户。