n. 扩展, 扩张；延长（extension的复数）
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 the spreading of something (a belief or practice) into new regions
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 a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename
n the most direct or specific meaning of a word or expression; the class of objects that an expression refers to
n the ability to raise the working leg high in the air
n amount or degree or range to which something extends
n an additional telephone set that is connected to the same telephone line
n an addition to the length of something
n an addition that extends a main building
- 原型: extension
英汉双解字典由 ECDICT 提供